JP6720846B2 - 電気化学デバイスシステム - Google Patents
電気化学デバイスシステム Download PDFInfo
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- JP6720846B2 JP6720846B2 JP2016237793A JP2016237793A JP6720846B2 JP 6720846 B2 JP6720846 B2 JP 6720846B2 JP 2016237793 A JP2016237793 A JP 2016237793A JP 2016237793 A JP2016237793 A JP 2016237793A JP 6720846 B2 JP6720846 B2 JP 6720846B2
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- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 103
- 239000007795 chemical reaction product Substances 0.000 claims description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 46
- 239000001301 oxygen Substances 0.000 claims description 46
- 229910052760 oxygen Inorganic materials 0.000 claims description 46
- 229910018071 Li 2 O 2 Inorganic materials 0.000 claims description 44
- 238000007599 discharging Methods 0.000 claims description 26
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 25
- 229910001416 lithium ion Inorganic materials 0.000 claims description 25
- 230000003197 catalytic effect Effects 0.000 claims description 20
- 239000007784 solid electrolyte Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 238000010494 dissociation reaction Methods 0.000 claims description 10
- 230000005593 dissociations Effects 0.000 claims description 10
- 239000007774 positive electrode material Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910003266 NiCo Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 95
- 238000006243 chemical reaction Methods 0.000 description 70
- 239000010410 layer Substances 0.000 description 68
- 229920006395 saturated elastomer Polymers 0.000 description 27
- 239000000047 product Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 150000002500 ions Chemical class 0.000 description 16
- 229910052744 lithium Inorganic materials 0.000 description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 14
- 239000003792 electrolyte Substances 0.000 description 10
- 238000000354 decomposition reaction Methods 0.000 description 6
- 239000012808 vapor phase Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000002484 cyclic voltammetry Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 229910000664 lithium aluminum titanium phosphates (LATP) Inorganic materials 0.000 description 2
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910009178 Li1.3Al0.3Ti1.7(PO4)3 Inorganic materials 0.000 description 1
- 239000002228 NASICON Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8689—Positive electrodes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Power Engineering (AREA)
- Hybrid Cells (AREA)
- Inert Electrodes (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
負極 : Li → Li+ + e-
正極 : 2Li+ + O2 + 2e- → Li2O2
[充電時]
負極 : Li+ + e- → Li
正極 : Li2O2 → 2Li+ + O2 + 2e-
このように、リチウム空気電池では、正極において、放電時にリチウムイオンと酸素から反応生成物(Li2O2)が生成する反応が起き、充電時に反応生成物がリチウムイオンと酸素に分解する反応が起こる。
[4電子反応]4Li++O2+2H2O+4e-→4Li++4OH-→4LiOH
Ti電極20aでは主に2電子反応が進行し、Pt電極20bでは主に2電子反応および4電子反応が進行する。
本発明は上述の実施形態に限定されることなく、本発明の趣旨を逸脱しない範囲内で、以下のように種々変形可能である。また、上記各実施形態に開示された構成は、実施可能な範囲で適宜組み合わせてもよい。
2 リチウム空気電池(電気化学デバイス)
20 正極
20a Ti電極
20b Pt電極
21 負極
22 固体電解質層
4 ガス供給部
5 ガス排出部
6 湿度調整部
7 制御部
8 温度センサ
Claims (10)
- リチウムイオンを吸蔵放出可能な負極(21)と、酸素を正極活物質とし、かつ、放電時に酸素を還元する正極(20)と、前記負極及び前記正極の間に介在し、リチウムイオンを伝導可能な固体電解質(22)とを有する電気化学デバイスと、
前記電気化学デバイスの放電時の電流制御を行う制御部(7)と、を備え、
前記正極では、放電時に酸素とリチウムイオンに基づく反応生成物が生成し、充電時に前記反応生成物が酸素とリチウムイオンに分解し、
前記反応生成物は、放電電圧に基づいて複数種類が生成可能であり、前記複数種類の反応生成物はそれぞれ充電電圧が異なっており、
前記制御部は、放電電圧が前記複数種類の反応生成物のうち他の反応生成物より充電電圧が低い反応生成物が生成する所定電圧となるように電流制御を行う電気化学デバイスシステム。 - 前記充電電圧が低い反応生成物はLi2O2であり、前記所定電圧は2.96V以下である請求項1に記載の電気化学デバイスシステム。
- 前記正極は、Ptよりも酸素の解離に対する触媒能が低い低触媒能材料を含んでいる請求項1または2に記載の電気化学デバイスシステム。
- 前記低触媒能材料は、Ti、Ni、Au、カーボンまたは導電性酸化物のいずれかである請求項3に記載の電気化学デバイスシステム。
- 前記正極は、前記低触媒能材料よりも酸素の解離に対する触媒能が高い高触媒能材料を含んでいる請求項3または4に記載の電気化学デバイスシステム。
- 前記高触媒能材料は、PtまたはNiCo2O4である請求項5に記載の電気化学デバイスシステム。
- 前記正極には、LiOHあるいはLi2O2の少なくともいずれかが予め付着されている請求項3または4に記載の電気化学デバイスシステム。
- 前記正極は多孔質体を含んで構成され、前記多孔質体の孔径は5μm以下である請求項1ないし7のいずれか1つに記載の電気化学デバイスシステム。
- 前記電気化学デバイスを複数備え、
前記制御部は、それぞれの前記電気化学デバイスにおいて放電電圧が前記所定電圧となるように電流制御を行う請求項1ないし8のいずれか1つに記載の電気化学デバイスシステム。 - 放電時に前記正極で酸素を貯蔵し、充電時に前記正極で貯蔵されている酸素を放出する請求項1ないし9のいずれか1つに記載の電気化学デバイスシステム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2016237793A JP6720846B2 (ja) | 2016-12-07 | 2016-12-07 | 電気化学デバイスシステム |
PCT/JP2017/039648 WO2018105280A1 (ja) | 2016-12-07 | 2017-11-02 | 電気化学デバイスシステム |
CN201780070327.8A CN110024209B (zh) | 2016-12-07 | 2017-11-02 | 电化学设备系统 |
DE112017006177.6T DE112017006177T5 (de) | 2016-12-07 | 2017-11-02 | Elektrochemisches Vorrichtungssystem |
US16/411,182 US11217843B2 (en) | 2016-12-07 | 2019-05-14 | Electrochemical device system |
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JP2016237793A JP6720846B2 (ja) | 2016-12-07 | 2016-12-07 | 電気化学デバイスシステム |
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JP2018092870A JP2018092870A (ja) | 2018-06-14 |
JP6720846B2 true JP6720846B2 (ja) | 2020-07-08 |
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US (1) | US11217843B2 (ja) |
JP (1) | JP6720846B2 (ja) |
CN (1) | CN110024209B (ja) |
DE (1) | DE112017006177T5 (ja) |
WO (1) | WO2018105280A1 (ja) |
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FR3067860B1 (fr) * | 2017-06-15 | 2021-04-16 | Airbus Group Sas | Systeme de charge d'au moins une batterie d'accumulateurs d'un vehicule et procede de gestion de recharge de ladite au moins une batterie |
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US6451463B1 (en) * | 1997-10-06 | 2002-09-17 | Reveo, Inc. | Electro-chemical power generation systems employing arrays of electronically-controllable discharging and/or recharging cells within a unity support structure |
JP5217278B2 (ja) * | 2007-07-24 | 2013-06-19 | トヨタ自動車株式会社 | 空気電池システム |
US20100273066A1 (en) | 2007-08-23 | 2010-10-28 | Excellatron Solid State Llc | Rechargeable Lithium Air Battery Cell Having Electrolyte with Alkylene Additive |
US20090053594A1 (en) | 2007-08-23 | 2009-02-26 | Johnson Lonnie G | Rechargeable air battery and manufacturing method |
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JP5633397B2 (ja) * | 2011-01-28 | 2014-12-03 | 株式会社豊田中央研究所 | 非水系空気電池及び非水系空気電池の製造方法 |
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US20130115527A1 (en) * | 2011-11-03 | 2013-05-09 | Savannah River Nuclear Solutions, Llc | Rechargeable lithium air batteries |
WO2013071292A1 (en) | 2011-11-11 | 2013-05-16 | Johnson Ip Holding, Llc | Rechargeable lithium air battery having organosilicon-containing electrolyte |
JP6206971B2 (ja) * | 2012-04-26 | 2017-10-04 | 日本碍子株式会社 | リチウム空気二次電池 |
JP2013247103A (ja) * | 2012-05-30 | 2013-12-09 | Hitachi Ltd | 金属空気二次電池 |
JP2014022210A (ja) * | 2012-07-19 | 2014-02-03 | Hitachi Ltd | 金属空気二次電池用炭素材料並びにこれを用いた金属空気二次電池用正極部材及び金属空気二次電池 |
KR20140048738A (ko) * | 2012-10-16 | 2014-04-24 | 삼성전자주식회사 | 고체산화물 연료전지용 양극 복합체, 이의 제조방법 및 이를 포함하는 고체산화물 연료전지 |
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JP2018092870A (ja) | 2018-06-14 |
WO2018105280A1 (ja) | 2018-06-14 |
US11217843B2 (en) | 2022-01-04 |
CN110024209B (zh) | 2022-04-12 |
US20190267688A1 (en) | 2019-08-29 |
CN110024209A (zh) | 2019-07-16 |
DE112017006177T5 (de) | 2019-10-02 |
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