213198 ⎘
Electrodes; Electrodes composed of, or comprising, active material; Selection of inactive substances as ingredients for active masses, e.g. binders, fillers Binders
Cathode mixture, cathode, and all-solid-state lithium ion secondary battery, and method for manufacturing the same
#602Water activated battery
#603ANODE ELECTRODE MATERIAL AND LITHIUM ION BATTERY USING THE SAME
#604PHOSPHORUS-CARBON COMPOSITES AS BATTERY ANODE MATERIALS
#605Power storage device
#606Use of xanthan gum as an anode binder
#607Porous silicon nanostructured electrode and method
#608Electrode coated with a film obtained from an aqueous solution comprising a water-soluble binder, production method thereof and uses of same
#609A COMPOSITE MATERIAL
#610Nonaqueous electrolyte secondary battery including a positive electrode having a positive electrode mixture layer including a first powder and a second powder
#611Composite particle, negative electrode and battery
#612Secondary battery comprising a carbon-silicon composite electrode and method of preparing same
#613Method for fabricating graphene electrode
#614Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing gases
#615Method for producing electrical storage device electrode with binder composition
#616Positive electrode active material for nonaqueous electrolyte secondary battery
#617Electroactive material
#618ELECTRODE HAVING AN ACTUATING BINDER
#619Methods and systems for making an electrode free from a polymer binder
#620Negative electrode material for lithium-ion secondary battery,method for manufacturing negative electrode material for lithium-ion secondary battery, negative electrode material slurry for lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, and lithium-ion secondary battery
#621Dry-particle based adhesive and dry film and methods of making same
#622Method for manufacturing storage battery electrode
#623Positive electrode including discrete aluminum oxide nanomaterials and method for forming aluminum oxide nanomaterials
#624LITHIUM BATTERY FABRICATION PROCESS USING MULTIPLE ATMOSPHERIC PLASMA NOZZLES
#625Negative electrode material for lithium-ion battery, and use therefor
#626Positive electrode material for lithium secondary battery and manufacturing method thereof
#627Cathode for a cell of a lithium-ion battery, its manufacturing process and the battery incorporating it
#628Method for manufacturing electrode sheet
#629POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
#630Electrode assembly and lithium battery including the same
#631Anode for secondary battery, and lithium secondary battery manufactured therefrom
#632Method for manufacturing of slurry for production of battery film
#633ELECTRODE, METHOD OF PRODUCING THE SAME, BATTERY, AND ELECTRONIC DEVICE
#634Metal hydride alloys with improved rate performance
#635ANODE BATTERY MATERIALS AND METHODS OF MAKING THE SAME
#636Multi-phase electrolyte lithium batteries
#637NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY CONTAINING NEGATIVE ELECTRODE ACTIVE MATERIAL
#638Negative electrode material for lithium secondary battery, production method for same, and lithium secondary battery comprising same as negative electrode
#639Lithium Secondary Cell
#640Bipolar hybrid energy storage device
#641Active cathode layer for metal-sulfur secondary battery
#642Anode and secondary battery including the same
#643Non-aqueous electrolyte secondary battery
#644Porous silicon particulates with micropores and mesopores within macropores
#645Negative electrode for electric device and electric device using the same
#646Power storage device
#647POSITIVE ELECTRODES FOR LITHIUM-SULPHUR BATTERIES
#648Negative electrode for rechargeable lithium battery, method of manufacturing same, and rechargeable lithium battery including same
#649Anode for secondary battery comprising additive for improving low-temperature characteristics, and secondary battery having the same
#650Positive active material composition for rechargeable lithium battery, positive electrode prepared from composition, and rechargeable lithium battery including positive electrode
#651Electrode material for non-aqueous electrolyte secondary battery, and electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same
#652ELECTRODE FOR ELECTRICAL ENERGY STORAGE BATTERIES COMPRISING A GRAPHITE/SILICON/CARBON FIBER COMPOSITE MATERIAL
#653LITHIUM ION SECONDARY CELL
#654Shadow mask alignment and management system
#655METHOD AND COMPOSITION FOR PRODUCING POSITIVE ELECTRODES FOR LITHIUM ION BATTERIES
#656Cathode material for lithium secondary battery, and lithium secondary battery containing same
#657POSITIVE ELECTRODE COMPOSITE MOUNTED IN ALL-SOLID BATTERY
#658Solid-State Batteries with Improved Performance and Reduced Manufacturing Costs and Methods for Forming the Same
#659COMPOSITE PARTICLES, METHOD FOR MANUFACTURING SAME, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL
#660Method for producing granulated particles for electrochemical device, electrode for electrochemical device, and electrochemical device
#661Binder composition for non-aqueous secondary battery electrode
#662Electrode coated with a film obtained from an aqueous solution comprising a water-soluble binder, production method thereof and uses of same
#663Positive electrode for sulfur-based batteries
#664Surface treated silicon containing active materials for electrochemical cells
#665ELECTRODE MATERIAL AND USE THEREOF IN LITHIUM ION BATTERIES
#666SLURRY COMPOSITION FOR POSITIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY, METHOD OF PRODUCING POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY
#667Aqueous polyvinylidene fluoride composition
#668Method of producing electrically conductive polymer and cellulose nanocomposites
#669Non-aqueous electrolyte secondary battery
#670Non-aqueous electrolyte secondary battery
#671Non-aqueous electrolyte secondary battery
#672COMPOSITIONS, LAYERINGS, ELECTRODES AND METHODS FOR MAKING
#673Multi-phase electrolyte lithium batteries
#674Cathode active material, positive electrode for lithium ion secondary battery, and lithium ion secondary battery
#675Method of manufacturing paste for manufacturing of negative electrode, method of manufacturing negative electrode for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery
#676High capacity anode materials for lithium ion batteries
#677Lithium ion secondary battery and charging method therefor
#678Free-standing active material/carbon nanomaterial network film as light-weight and high-power electrodes for lithium ion batteries
#679ELECTRODE MATERIAL, PASTE FOR ELECTRODES, AND LITHIUM ION BATTERY
#680Positive electrode for secondary batteries, secondary battery, and method for producing positive electrode for secondary batteries
#681Method for preparing electrode active material slurry, and electrode active material slurry prepared by method
#682Anode and secondary battery
#683High capacity solid state composite cathode, solid state composite separator, solid-state rechargeable lithium battery and methods of making same
#684Negative electrode for nonaqueous electrolyte secondary batteries and nonaqueous electrolyte secondary battery including the same
#685Production process for nanometer-size silicon material
#686NEGATIVE ELECTRODE FOR ELECTRIC DEVICE AND ELECTRIC DEVICE USING THE SAME
#687NEGATIVE ELECTRODE FOR ELECTRICAL DEVICE, AND ELECTRICAL DEVICE USING THE SAME
#688Cathode active material for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method of producing cathode active material for nonaqueous electrolyte secondary battery
#689NEGATIVE ELECTRODE FOR ELECTRIC DEVICE AND ELECTRIC DEVICE USING THE SAME
#690Active material powder and method of producing the same
#691Formulations for and methods of fabricating energy storage device electrodes
#692Graphene composite oxide layered electrode for lithium-ion secondary batteries
#693Electrode plate for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery including the same, and method for manufacturing the same
#694Carbon felt impregnated with inorganic particles and method for producing the same
#695Superior lithium ion battery electrode and methods for fabricating such
#696Thick electrodes including nanoparticles having electroactive materials and methods of making same
#697Lithium secondary battery
#698ELECTROCONDUCTIVE ADHESIVE COMPOSITION FOR ELECTROCHEMICAL DEVICE ELECTRODE, CURRENT COLLECTOR WITH ADHESIVE LAYER, AND ELECTRODE FOR ELECTROCHEMICAL DEVICE
#699Cathode active material for lithium secondary battery and lithium secondary battery comprising the same
#700Lithium-ion secondary battery and method of producing same
#701POWER STORAGE DEVICE AND SUPER CAPACITOR DEVICE
#702Electrical energy storage device with non-aqueous electrolyte
#703COMPOSITE PARTICLES FOR ELECTROCHEMICAL DEVICE ELECTRODE, ELECTROCHEMICAL DEVICE ELECTRODE, AND ELECTROCHEMICAL DEVICE
#704Surface treated silicon containing active materials for electrochemical cells
#705Lithium ion battery cathode additive, fabrication method thereof, lithium ion battery cathode sheet and lithium ion battery
#706ADHESION OF ACTIVE ELECTRODE MATERIALS TO METAL ELECTRODE SUBSTRATES
#707HIGH ENERGY DENSITY MULTIVALENT CONVERSION BASED CATHODES FOR LITHIUM BATTERIES
#708Lithium ion battery electrodes
#709Rechargeable electrochemical cell
#710Electrochemical device
#711POWER STORAGE DEVICE
#712Dry-particle based adhesive and dry film and methods of making same
#713Lithium-conducting sulfur compound cathode for lithium-sulfur batteries
#714Lead acid battery
#715ELECTRODE MATERIAL FOR LITHIUM-BASED ELECTROCHEMICAL ENERGY STORES
#716Lithium secondary battery having anode containing aqueous binder
#717Sulfide solid electrolyte material, battery, and producing method for sulfide solid electrolyte material
#718Binder for electrodes of lithium secondary batteries, and lithium secondary battery which uses electrode produced using binder for electrodes of lithium secondary batteries
#719SECONDARY BATTERY ELECTRODE AND LITHIUM-ION SECONDARY BATTERY
#720Intermetallic M—Sn(M=Fe, Cu, Co, Ni) compound and a method of synthesis thereof
#721SHEET COMPOSITE, MANUFACTURING METHOD THEREOF, AND ELECTRODE AND ELECTROCHEMICAL ELEMENT EMPLOYING SAID SHEET COMPOSITE
#722Method for manufacturing cable-type secondary battery
#723Negative electrode active material and use of same
#724Secondary battery
#725Graphite particles and lithium secondary battery using the same as negative
#726Electrode-forming composition
#727Rechargeable lithium-sulfur battery having a high capacity and long cycle life
#728Methods and systems for making an electrode free from a polymer binder
#729Secondary battery and a method for fabricating the same
#730Separator and lithium battery including the separator
#731Method of making a cathode
#732Electrodes, electrochemical cells, and methods of forming electrodes and electrochemical cells
#733Anodes including mesoporous hollow silicon particles and a method for synthesizing mesoporous hollow silicon particles
#734Method for preparing self-supporting flexible electrodes
#735Actinic and electron beam radiation curable electrode binders and electrodes incorporating same
#736Binder composition for secondary battery, anode including the binder composition, and lithium battery including the anode
#737Negative electrode including platy graphite conductive additive for lithium ion battery, and lithium ion battery using the same
#738Coated iron electrode and method of making same
#739Positive active material composition for rechargeable lithium battery, positive electrode prepared from composition, and rechargeable lithium battery including positive electrode
#740Carbon fluoride cathodes and batteries made therefrom
#741Positive electrode active substance containing lithium-containing metal oxide
#742Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery
#743Electrodes, electrochemical cells, and methods of forming electrodes and electrochemical cells
#744Positive electrode material for lithium ion secondary cell and lithium ion secondary cell
#745All-solid state secondary cell
#746Process for the manufacture of carbon sheet for an electrode
#747Negative electrode active substance for lithium secondary battery and method for producing same
#748Binder for electrode of lithium battery, binder composition including the binder, and lithium battery containing the binder
#749Anode mixture, button cell with an anode comprising metal particles, and production thereof
#750Power storage device
#751Solid-state battery separators and methods of fabrication
#752Solid-state battery electrodes
#753Lithium ion battery
#754Method for manufacturing lithium ion secondary battery
#755Electrode binder for lithium secondary batteries, negative electrode for lithium secondary batteries using same, lithium secondary battery, automobile, method for producing electrode binder for lithium secondary batteries, and method for manufacturing lithium secondary battery
#756Primer for battery electrode
#757NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
#758Positive active material composition for rechargeable lithium battery, positive electrode for rechargeable lithium battery including the positive active material composition, and rechargeable lithium battery including the positive active material composition
#759Bimodal type anode active material and lithium secondary battery including the same
#760Electrode paste manufacturing method, manufacturing system, and secondary battery
#761Fabrication and use of carbon-coated silicon monoxide for lithium-ion batteries
#762Slurry, production method for solid electrolyte layer, production method for electrode active material layer, and production method for all-solid-state battery
#763Electrode, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus
#764SOLID HIGH-IONIC CONDUCTOR FOR BATTERY AND LITHIUM-SULFUR BATTERY USING THE SAME
#765Coating formulation for manufacturing electrode plate and use thereof
#766Battery electrode material and method for making the same
#767Negative electrode material for lithium battery
#768Moisture-limited electrode active material, moisture-limited electrode and lithium secondary battery comprising the same
#769Water soluble binder composition, method of producing the same and electrode for rechargeable battery employing the same
#770Secondary battery and method for manufacturing same
#771Anode active material and secondary battery comprising the same
#772Lithium primary battery and method of producing same
#773Lithium secondary battery and method for producing the same
#774Si composite electrode with Li metal doping for advanced lithium-ion battery
#775Methods of and factories for thin-film battery manufacturing
#776Method for manufacturing lithium ion secondary battery
#777Non-aqueous secondary battery
#778Binder composition for non-aqueous battery electrode, electrolyte solution composition for non-aqueous battery, and use thereof
#779Secondary battery and secondary battery electrolytic solution for use in secondary battery
#780Electroactive material
#781Multilayer material, method for making same and use as electrode
#782Composite binder for battery, and anode and battery including the composite binder
#783Binder for secondary battery providing excellent cycle property
#784POSITIVE ELECTRODE, METHOD OF MANUFACTURING THE SAME, AND LITHIUM BATTERY COMPRISING THE POSITIVE ELECTRODE
#785Cathode for a cell of a lithium-ion battery, its manufacturing process and the battery incorporating it
#786Graphite oxide, graphene oxide or graphene, electric device using the same and method of manufacturing the same, and electrodialysis apparatus
#787Positive electrode material for lithium battery, positive electrode prepared from the positive material, and lithium battery including the positive electrode
#788Binder for electrode of lithium battery and lithium battery containing the binder
#789Positive electrode for lithium rechargeable battery and lithium rechargeable battery including the same
#790Use of expanded graphite in lithium/sulphur batteries
#791Secondary battery
#792Secondary battery
#793Electrode for solid-state batteries and method of preparing the electrode, solid-state battery containing the electrode, and bonding film used for preparing the electrode
#794Adhesion of active electrode materials to metal electrode substrates
#795Electrode for a lithium battery
#796Anti-microbial catheter system
#797Electrochemical or electric layer system, method for the production and use thereof
#798Rechargeable lithium battery
#799NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
#800Method of producing electrode for electricity storage device
#801Electrodes and rechargeable batteries
#802Negative electrode for secondary battery, and process for production thereof
#803LITHIUM IRON TITANIUM PHOSPHATE COMPOSITES FOR LITHIUM BATTERIES
#804ENCAPSULATED SULFUR CATHODES FOR RECHARGEABLE LITHIUM BATTERIES
#805Electrode for power storage device and power storage device
#806COMPONENT INCLUDING A RECHARGEABLE BATTERY
#807Anode battery materials and methods of making the same
#808Use of xanthan gum as an anode binder
#809High discharge capacity lithium battery
#810Positive electrode for lithium-ion secondary battery and lithium-ion secondary battery comprising that positive electrode
#811LEAD ACID STORAGE BATTERY
#812Electrode for lithium-ion secondary battery and manufacturing process for the same
#813Battery electrode production method
#814SECONDARY BATTERY NEGATIVE ELECTRODE, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
#815ELECTRODE ASSEMBLY FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME
#816Electrode for lithium ion battery, manufacturing method thereof, lithium ion battery, and manufacturing method thereof
#817Binder with good rate property and long cycleability for lithium secondary battery
#818Positive Electrode Active Material For Lithium Ion Battery, Positive Electrode For Lithium Ion Battery, And Lithium Ion Battery
#819Secondary battery
#820NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
#821Non-aqueous electrolyte battery including an amorphous material
#822Positive Electrode Active Material For Lithium Ion Battery, Positive Electrode For Lithium Ion Battery, And Lithium Ion Battery
#823Coin-type lithium secondary battery
#824Binder composition for positive electrodes
#825NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
#826Rechargeable batteries
#827LITHIUM ION SECONDARY BATTERY NEGATIVE ELECTRODE SLURRY COMPOSITION, A LITHIUM ION SECONDARY BATTERY NEGATIVE ELECTRODE, AND LITHIUM ION SECONDARY BATTERY
#828Cathode active material, cathode electrode, and non-aqueous secondary battery
#829Non-aqueous electrolyte secondary battery
#830METHOD FOR PREPARING AN ELECTRODE COMPOSITION
#831Electrode for a nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method of manufacture of electrode for a nonaqueous electrolyte secondary battery
#832Negative active for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same
#833Composite particles for electrochemical element electrode
#834Lithium ion secondary battery
#835High energy lithium ion secondary batteries
#836Lithium secondary battery
#837Galvanic element
#838Lithium-ion secondary battery with graphene and composite oxide layered electrode
#839Negative electrode for rechargeable lithium battery, method of preparing same and rechargeable lithium battery including same
#840Binder composition for electrodes and electrode mix slurry
#841Electrode for rechargeable lithium battery and rechargeable lithium battery including the same
#842Binder composition for secondary battery, electrode mixture for secondary battery employing it, and secondary battery
#843Method for producing electrode laminate and electrode laminate
#844CURRENT COLLECTOR COATING FOR LI-ION BATTERY CELLS USING AQUEOUS BINDER
#845Lithium ion secondary battery
#846Negative electrode for lithium secondary battery and method for producing same
#847POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION ELECTRIC STORAGE DEVICE USING THE SAME, AND MANUFACTURING METHOD THEREOF
#848Vinylidene fluoride polymer powder and vinylidene fluoride polymer solution
#849Air cathode for metal-air fuel cells
#850NEGATIVE ELECTRODE FOR NON-AQUEOUS-SYSTEM SECONDARY BATTERY AND MANUFACTURING PROCESS FOR THE SAME
#851Electrode storage device
#852Method of manufacturing a positive electrode with a condensation reaction initiated by heating and reduced pressure
#853Anode for use in a lithium-ion secondary battery, and lithium-ion secondary battery
#854Graphite particles and lithium secondary battery using the same as negative electrode
#855ELECTRODE STRUCTURE FOR AN ENERGY STORAGE DEVICE
#856PROCESS FOR PRODUCING ELECTRODES FOR LITHIUM-SULFUR BATTERIES
#857POSITIVE ELECTRODE MIXTURE, POSITIVE ELECTRODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
#858Secondary battery
#859LITHIUM SECONDARY BATTERY AND CATHODE FOR A LITHIUM SECONDARY BATTERY
#860Negative electrode for lithium-ion secondary battery and manufacturing process for the same
#861Electrode plate with a binder in a surface section with a lower glass transition point than a binder in a current collector plate section, secondary battery, and method for producing the electrode plate
#862METHOD FOR THE PRODUCTION OF STRETCHABLE ELECTRODES
#863Non-aqueous electrolyte and lithium secondary battery including the same
#864Process for producing non-aqueous battery electrode-forming binder solutions, and non-aqueous battery electrode-forming binder solution
#865Non-aqueous electrolyte secondary battery
#866Polysiloxane binder for lithium ion battery electrodes
#867ELECTRODE FOR ENERGY STORAGE DEVICE, METHOD OF MANUFACTURING THE SAME, AND ENERGY STORAGE DEVICE USING THE SAME
#868Electrode of secondary cell including porous insulating layer, and manufacturing method thereof
#869Binder for lithium ion rechargeable battery cells
#870Battery electrode production method
#871Thin Battery
#872Electroactive particles, and electrodes and batteries comprising the same
#873CAPACITIVE ELECTRODE FOR DEIONIZATION, AND ELECTROLYTIC CELL USING SAME
#874Lithium secondary battery cathode
#875Lithium secondary battery cathode
#876Positive electrode for non-aqueous electrolyte secondary batteries and non-aqueous electrolyte secondary battery
#877All Solid Secondary Battery and Manufacturing Method Therefor
#878Battery electrode production method
#879Electrode for secondary battery, slurry for secondary battery electrode, and secondary battery
#880BINDER COMPOSITION FOR ELECTRODE
#881BINDER FOR LITHIUM ION RECHARGEABLE BATTERY CELLS
#882Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same
#883BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE
#884Composition for a secondary battery cell
#885Electrode plate for non-aqueous electrolyte secondary battery, method for producing the same, and non-aqueous electrolyte secondary battery
#886Lithium ion battery
#887POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERYAND NON-AQUEOUS ELECTROLYTE BATTERY
#888Electrode mix, electrode mix paste, electrode, and non-aqueous electrolyte secondary battery
#889GALVANIC ELEMENT HAVING A MERCURY-FREE NEGATIVE ELECTRODE
#890Binder composition for rechargeable lithium battery, and electrode and rechargeable lithium battery including the same
#891Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same
#892Aqueous co-polymer binder for Li-ion battery
#893Battery electrode, method of producing the same, nonaqueous electrolyte battery, battery pack, and active material
#894POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROYLTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE
#895ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
#896NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME
#897COMPOSITION FOR POSITIVE ELECTRODE OF RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING POSITIVE ELECTRODE
#898NON-SPHERICAL ELECTROACTIVE AGGLOMERATED PARTICLES, AND ELECTRODES AND BATTERIES COMPRISING THE SAME
#899Electrode plate for non-aqueous electrolyte secondary battery, method for producing the same, and non-aqueous electrolyte secondary battery
#900ELECTRODE COMPOSITIONS AND METHODS