CATHODE ACTIVE MATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM

PDF Publication Title:

CATHODE ACTIVE MATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM ( cathode-active-material-coated-discrete-graphene-sheets-for- )

Text from PDF Page: 001

(12)UnitedStatesPatent (10)PatentNo.: US9.203,084B2 Wangetal. (54) CATHODEACTIVEMATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM BATTERIES AND PROCESS FOR PRODUCING SAME (71) Applicants:YanboWang,HuberHeights,OH(US); BorZ,Jang,Centervile,OH(US);Hui He,Beavercreek,OH (US);Aruna Zhamu,Centervile,OH(US) (72) Inventors:YanboWang,HuberHeights,OH(US); BorZ,Jang,Centervile,OH(US);Hui He,Beavercreek,OH (US);Aruna Zhamu,Centervile,OH (US) (73) Assignee: NanotekInstrurments,Inc.,Dayton, OH(US) (*) Notice: Subjecttoanydisclaimer,thetermofthis patentisextendedoradjustedunder35 U.S.C.154(b)by179days. (21) Appl.No.:13/987,567 (22)Filed: Aug.8,2013 (65) Prior Publication Data (45)DateofPatent: Dec.1,2015 US 2015/OO44556A1 (51) Int.Cl. HOLM 4/36 HOLM 4/04 HOIM 4/O2 HOIM IO/O56 Feb. 12,2015 (2006.01) (2006.01) (2006.01) (2010.01) (52) U.S.Cl. CPC .H01M 4/366(2013.01);H01M 4/04 (2013.01);H0IM4/0421(2013.01):HOIM 10/056(2013.01);HOIM2004/028(2013.01) (58) FieldofClasificationSearch CPC .H01M6/00; H01M 10/00; H01M 10/04; HO1M 4/625 3:3:38:8:8 (56) USPC .429/217,212,231.8,231.7,219,405 Seeaplicationfileforcompletesearchhistory. ReferencesCited U.S.PATENTDOCUMENTS 7,824,651B2 11/2010 Zhamuetal. 8,236,446B2* 8/2012 Lu .429,209 US009203O84B2 8,765,302B2* 7/2014Chenetal.... 2011/O165466A1* 7,2011 Zhamuetal.. 2013/0323,603 A1* 12/2013 Ryuetal.... 2014/0013588A1* 1/2014Wangetal.. 2014/0141328A1* 5,2014Daietal..429,217 OTHER PUBLICATIONS Y.Ding,etal."Preparationofnano-structuredLiFePO4,graphene compositesbyco-precipitationmethod.”ElectrochemistryCommu nications12(2010)10-13. *citedbyexaminer PrimaryExaminer— NinaBhat (57) ABSTRACT Providedisacathode(positiveelectrode)ofalithiumbatery andaprocessforproducingthiscathode.Theelectrodecom prisesacathodeactivematerial-coatedgraphenesheetand the graphene shet has two opposed paralel Surfaces, whereinatleast50%area(preferablygreaterthan80%)of oneofthetwoSurfacesiscoatedwithacathodeactivemate rialcoating.Thegraphenematerialisinanamountoffrom 0.1%to99.5%byweightandthecathodeactivematerialisin anamountofatleast0.5%byweight(preferablygreaterthan 80%andmorepreferablygreaterthan90%),albasedonthe totalweightofthegraphenematerialandthecathodeactive materialcombined.Thecathodeactivematerialispreferably aninorganicmaterial,anorganicorpolymericmaterial,a metaloxide/phosphate/sulfide,oracombinationthereof. Alsoprovidedisalithiumbatery,includingalithium-ion, lithium-metal,orlithium-sulfurbatery. 35Claims,10DrawingSheets 38:::::::::::::::38x: .429,219 429,231.8 .429/320 .29.623.2

PDF Image | CATHODE ACTIVE MATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM

cathode-active-material-coated-discrete-graphene-sheets-for--001

PDF Search Title:

CATHODE ACTIVE MATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM

Original File Name Searched:

US9203084.pdf

DIY PDF Search: Google It | Yahoo | Bing

Sulfur Deposition on Carbon Nanofibers using Supercritical CO2 Sulfur Deposition on Carbon Nanofibers using Supercritical CO2. Gamma sulfur also known as mother of pearl sulfur and nacreous sulfur... More Info

CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info

CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com | RSS | AMP