JP6973075B2 - レドックス電池用炭素電極材 - Google Patents
レドックス電池用炭素電極材 Download PDFInfo
- Publication number
- JP6973075B2 JP6973075B2 JP2017532515A JP2017532515A JP6973075B2 JP 6973075 B2 JP6973075 B2 JP 6973075B2 JP 2017532515 A JP2017532515 A JP 2017532515A JP 2017532515 A JP2017532515 A JP 2017532515A JP 6973075 B2 JP6973075 B2 JP 6973075B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- carbonaceous
- carbon
- mercury
- electrode material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4242—Carbon fibres
-
- 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
- H01M4/88—Processes of manufacture
-
- 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
- H01M4/96—Carbon-based electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
とシート状物の圧縮応力によりイオン交換膜3を突き破ってしまうことがあるので、シート状物の圧縮応力を9.8N/cm2以下のものを使用するのが好ましい。炭素質材料によっては、目付量・厚み・圧縮応力を調整するために、炭素質材料を2層や3層など積層して用いることも可能であり、また別の形態の炭素質材料との組み合わせも可能である。
満たす。 水銀は表面張力が高いため、そのままでは試料表面の細孔には水銀は圧入しない。しかし、水銀に圧力をかけ、徐々に昇圧していくと、径の大きい細孔から順に径の小さい孔へと、徐々に細孔の中に水銀が圧入していく。圧力を連続的に増加させながら水銀液面の変化を検出していけば、水銀に加えた圧力と水銀圧入量との関係を表す水銀圧入曲線が得られる。
2、厚み3.2mmの不織布を作製した。該不織布を、210±10℃で45kgf/cm2のプレス圧にて厚みを0.9±0.1mmに調整後、窒素ガス中で5℃/分の昇温速度で1800±50℃まで昇温し、この温度で1時間保持し炭化を行って冷却し、さらに空気中700±50℃で質量収率90〜95%になるまで乾式酸化処理し、目付153g/m2の炭素質繊維不織布Fを得た。 得られた炭素質繊維不織布Fの面間隔、結晶子サイズ、XPS表面分析結果、ラマン分光測定結果、水銀圧入法測定結果、電極性能を表1に示す。電極性能評価において、スペーサー厚は0.6mmに設定し、炭素質繊維不織布Fを単層にてV系電解液を用いて評価した。また、水銀圧入法より得られた細孔径の分布を示す細孔径分布曲線を図4に示す。水銀圧入法より得られた細孔径分布データでは、細孔径0.2〜2μmの範囲の細孔は無かった(合計の容積は0.0000cc/g)。
Claims (1)
- レドックス電池用炭素電極材の製造方法において、原料に対して、不活性ガスまたは窒素ガス雰囲気下600〜1250℃で1回目の焼成をしてから、1回目の乾式酸化処理を実施する工程と、さらに、その後、不活性ガスまたは窒素ガス雰囲気下1300〜2300℃で2回目の焼成をしてから、2回目の乾式酸化処理を実施する工程と、を含む製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015152362 | 2015-07-31 | ||
JP2015152362 | 2015-07-31 | ||
PCT/JP2016/071837 WO2017022564A1 (ja) | 2015-07-31 | 2016-07-26 | レドックス電池用炭素電極材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017022564A1 JPWO2017022564A1 (ja) | 2018-05-24 |
JP6973075B2 true JP6973075B2 (ja) | 2021-11-24 |
Family
ID=57943905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017532515A Active JP6973075B2 (ja) | 2015-07-31 | 2016-07-26 | レドックス電池用炭素電極材 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6973075B2 (ja) |
WO (1) | WO2017022564A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6809257B2 (ja) * | 2017-01-31 | 2021-01-06 | 東洋紡株式会社 | 炭素質材料およびこれを用いた電池 |
CN111066186A (zh) * | 2017-09-07 | 2020-04-24 | 东洋纺株式会社 | 氧化还原液流电池用碳电极材料及其制造方法 |
JP7088197B2 (ja) * | 2017-09-07 | 2022-06-21 | 東洋紡株式会社 | レドックスフロー電池用炭素電極材およびその製造方法 |
JP2020035732A (ja) * | 2018-08-24 | 2020-03-05 | 旭化成株式会社 | レドックスフロー電池用電極 |
CN113574707B (zh) * | 2019-03-13 | 2024-01-12 | 东洋纺Mc株式会社 | 碳电极材料和氧化还原电池 |
EP3940828A1 (en) * | 2019-03-13 | 2022-01-19 | Toyobo Co., Ltd. | Carbon electrode material for manganese/titanium-based redox flow battery |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0690933B2 (ja) * | 1984-05-30 | 1994-11-14 | 東洋紡績株式会社 | 積層型電解槽 |
JP2920230B2 (ja) * | 1988-11-30 | 1999-07-19 | 東洋紡績株式会社 | レドックスフロー型電池 |
JP2906241B2 (ja) * | 1988-11-30 | 1999-06-14 | 東洋紡績株式会社 | 液流通型電解槽 |
JPH05234612A (ja) * | 1992-02-21 | 1993-09-10 | Toyobo Co Ltd | 電解槽用炭素電極材 |
JP3560181B2 (ja) * | 1995-04-13 | 2004-09-02 | 東洋紡績株式会社 | 液流通型電解槽用電極材 |
JP3846941B2 (ja) * | 1996-09-20 | 2006-11-15 | 独立行政法人産業技術総合研究所 | レドックス二次電池 |
JPH11260377A (ja) * | 1998-03-12 | 1999-09-24 | Toyobo Co Ltd | 炭素電極材及びその製造方法 |
JP3601581B2 (ja) * | 1999-06-11 | 2004-12-15 | 東洋紡績株式会社 | バナジウム系レドックスフロー電池用炭素電極材 |
US9123962B2 (en) * | 2011-02-07 | 2015-09-01 | United Technologies Corporation | Flow battery having electrodes with a plurality of different pore sizes and or different layers |
JP5988269B2 (ja) * | 2013-09-30 | 2016-09-07 | 株式会社 東北テクノアーチ | バナジウム固体塩電池 |
-
2016
- 2016-07-26 JP JP2017532515A patent/JP6973075B2/ja active Active
- 2016-07-26 WO PCT/JP2016/071837 patent/WO2017022564A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2017022564A1 (ja) | 2017-02-09 |
JPWO2017022564A1 (ja) | 2018-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6973075B2 (ja) | レドックス電池用炭素電極材 | |
JP6617464B2 (ja) | レドックス電池用炭素電極材 | |
JP3601581B2 (ja) | バナジウム系レドックスフロー電池用炭素電極材 | |
JP6786776B2 (ja) | レドックス電池用電極材の製造方法 | |
JP7088197B2 (ja) | レドックスフロー電池用炭素電極材およびその製造方法 | |
JP7049350B2 (ja) | レドックスフロー電池用炭素電極材およびその製造方法 | |
JP2017027918A (ja) | レドックスフロー電池用電極材 | |
JP2017033757A (ja) | レドックス電池用炭素電極材 | |
JP2023154069A (ja) | 炭素電極材及びレドックス電池 | |
JP2017027920A (ja) | レドックス電池用電極材 | |
US20220153591A1 (en) | Carbon electrode material for manganese/titanium-based redox flow battery | |
WO2018143123A1 (ja) | 炭素質材料、これを用いた電極材、及び電池 | |
WO2020184663A1 (ja) | 炭素電極材及びレドックス電池 | |
WO2021225106A1 (ja) | レドックスフロー電池用炭素電極材、及び該炭素電極材を備えたレドックスフロー電池 | |
WO2020184664A1 (ja) | 炭素電極材およびそれを備えたレドックス電池 | |
US20220140355A1 (en) | Carbon electrode material for redox flow battery and redox flow battery provided with the same | |
JP2001085028A (ja) | 炭素電極材集合体 | |
WO2020184450A1 (ja) | マンガン/チタン系レドックスフロー電池用炭素正極電極材およびそれを備えた電池 | |
JP2001085022A (ja) | 炭素電極材及び炭素電極材集合体 | |
WO2021225107A1 (ja) | マンガン/チタン系レドックスフロー電池用炭素電極材 | |
JP2020149858A (ja) | レドックス電池用正極電極材およびそれを備えたレドックス電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190708 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200908 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201106 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210511 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210629 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20211005 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20211018 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6973075 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313121 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |