[미국특허]
Battery structures, self-organizing structures, and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-010/18
H01M-004/52
H01M-010/48
출원번호
US-0472351
(2012-05-15)
등록번호
US-8586238
(2013-11-19)
발명자
/ 주소
Chiang, Yet-Ming
Moorehead, William Douglas
출원인 / 주소
Massachusetts Institute of Technology
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
4인용 특허 :
134
초록▼
An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the
An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the second material are selected so that the first and second materials exert a repelling force on each other when combined. An electrochemical device, includes a first electrode in electrical communication with a first current collector; a second electrode in electrical communication with a second current collector; and an ionicaily conductive medium in ionic contact with said first and second electrodes, wherein at least a portion of the first and second electrodes form an interpenetrating network and wherein at least one of the first and second electrodes comprises an electrode structure providing two or more pathways to its current collector.
대표청구항▼
1. A bipolar device made from a method comprising: providing a medium, a first electroactive material and a second electroactive material, wherein the medium is electronically-insulating and ionically-conductive;combining the first and second electroactive materials and the medium, wherein the first
1. A bipolar device made from a method comprising: providing a medium, a first electroactive material and a second electroactive material, wherein the medium is electronically-insulating and ionically-conductive;combining the first and second electroactive materials and the medium, wherein the first electroactive material has lower density than the medium; and wherein the second electroactive material has higher density than the medium;segregating at least a portion of the first electroactive material into a first spatial region that is essentially free of the second electroactive material to form an electronically-connected first electroactive material; andsegregating at least a portion of the second electroactive material into a second spatial region that is essentially free of the first electroactive material to form an electronically-connected second electroactive material. 2. A bipolar device, comprising: a medium, a first current collector, a second current collector, a first electroactive material, and a second electroactive material, whereinthe medium is electronically-insulating and ionically-conductive;the first electroactive material has lower density than the medium;the second electroactive material has higher density than the medium;at least a portion of the first electroactive material is electronically-connected and occupies a first spatial region which is essentially free of the second electroactive material;at least a portion of the second electroactive material is electronically-connected and occupies a second spatial region which is essentially free of the first electroactive material and is below the first spatial region; andthe first current collector is in electronic communication with the electronically-connected first electroactive material and the second current collector is in electronic communication with the electronically-connected second electroactive material. 3. The bipolar device of claim 2, wherein the first electroactive material is in the form of particles of a first type. 4. The bipolar device of claim 2, wherein the second electroactive material is in the form of particles of a second type. 5. The bipolar device of claim 2, wherein the first electroactive material comprises at least one of LiCoO2, LiCoO2 doped with Mg, LiNiO2, LiMnO2O4, LiMnO2, LiMnO2 doped with Al, LiFePO4, Li(Fe,Mn)PO4, LiFePO4 doped with one or more of Mg, Al, Ti, Nb, Ta, Zr, or W,Li2Fe2(SO4)3, V2O5, V6O11, C, amorphous carbon, graphite, mesocarbon microbeads, Li, LiAl, Li9Al4, Li3Al, Zn, LiZn, Ag, LiAg, Li10Ag3, B, Li5B4, Li7B6, Ge, Si, Li12Si7, Li21Si8, Li13Si4, Li21Si5, Sn, Li5Sn2, Li13Sn5, Li7Sn2, Li22Sn5, Sb, Li2Sb, Li3Sb, Bi, LiBi, Li3Bi, SnO2, SnO, MnO, Mn2O3, MnO2, Mn3O4, CoO, NiO, FeO, LiFe2O4, TiO2, LiTi2O4, glass with a Sn—B—P—O compound and mesocarbon microbeads coated with at least one of poly(o-methoxyaniline), poly(3-octylthiophene), and poly(vinylidene fluoride). 6. The bipolar device of claim 2, wherein the second electroactive material comprise at least one of LiCoO2, LiCoO2 doped with Mg, LiNiO2, LiMn2O4, LiMnO2, LiMnO2 doped with Al, Li(Fe,Mn)PO4, LiFePO4, LiFePO4 doped with one or more of Mg, Al, Ti, Nb, Ta, Zr, or W, Li2Fe2(SO4)3, V2O5, V6O11, C, amorphous carbon, graphite, mesocarbon microbeads, Li, LiAl, Li9Al4, Li3Al; Zn, LiZn, Ag, LiAg, Li10Ag3, B, Li5B4, Li7B6, Ge, Si, Li12Si7, Li21 Si8, Li13Si4, Li21Si5, Sn, Li5Sn2, Li13Sn5, Li7Sn2,Li22Sn5, Sb, Li2Sb, Li3Sb, Bi, LiBi, Li3Bi, SnO2, SnO, MnO, Mn2O3, MnO2, Mn3O4, CoO, NiO, FeO, LiFe2O4, TiO2, LiTi2O4, glass with a Sn—B—P—O compound and mesocarbon microbeads coated with at least one of poly (o-methoxyaniline), poly(3-octylthiophene), and poly(vinylidene fluoride). 7. The bipolar device of claim 2, wherein the medium comprises at least one of poly(ethylene oxide), poly(styrene), poly(acrylonitrile), poly(vinylidene fluoride), diiodomethane, 1,3-diiodopropane, N,N-dimethylformamide, dimethylpropylene urea, ethylene carbonate, diethylene carbonate, dimethyl carbonate, propylene carbonate, a block copolymer lithium electrolyte doped with a lithium salt, glass with at least one of LiI, LiF, LiCI, Li2O-B2O3-Bi2O3, Li2O-B2O3-P2O5 and Li2O-B2O3-PbO and a sol or gel of the oxides or hydroxides of Ti, Zr, Pb, or Bi.
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