JP5913364B2 - ポリオキソメタレートおよびバナジウム(iv)化合物を含むカソード液を持つ再生可能な燃料電池 - Google Patents
ポリオキソメタレートおよびバナジウム(iv)化合物を含むカソード液を持つ再生可能な燃料電池 Download PDFInfo
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- JP5913364B2 JP5913364B2 JP2013545494A JP2013545494A JP5913364B2 JP 5913364 B2 JP5913364 B2 JP 5913364B2 JP 2013545494 A JP2013545494 A JP 2013545494A JP 2013545494 A JP2013545494 A JP 2013545494A JP 5913364 B2 JP5913364 B2 JP 5913364B2
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- fuel cell
- cell according
- redox
- cathode
- redox fuel
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- 239000001257 hydrogen Substances 0.000 claims description 26
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Classifications
-
- 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
-
- 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
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
-
- 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
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
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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
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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- 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
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Description
Xa[ZbMcOd]
(式中、Xは、水素、アルカリ金属、アルカリ土類金属、アンモニウムまたはアルキルアンモニウム、およびこれらの2種以上の組合わせから選択され、
Zは、B、P、S、As、Si、Ge、Ni、Rh、Sn、Al、Cu、I、Br、F、Fe、Co、Cr、Zn、H2、Te、MnおよびSe、ならびにこれらの2種以上の組合わせから選択され、
Mは、少なくとも1個のV原子を含み、およびMは、Mo、W、V、Nb、Ta、Mn、Fe、Co、Cr、Ni、Zn、Rh、Ru、Tl、Al、Ga、Inおよび第1、第2および第3遷移金属系列およびランタニド系列から選択される他の金属類、およびこれらの2種以上の組合わせから選択される金属であり、
aは、[ZbMcOd]アニオンの荷電平衡に必要なXの数であり、
bは、0〜20であり、
cは、1〜40であり、および
dは、1〜180である)で表され、
前記カソード液は、さらに、バナジウム(IV)化合物を含むレドックス燃料電池を提供する。
ケギン構造を有する。
a)プロトン交換膜に隣接して位置するアノードでH+イオンを形成するステップと、
b)酸化された状態でレドックス対を持つ本発明のカソード液を、プロトン交換膜に向かい側に隣接して位置するカソードに供給するステップと、
c)カソードと接触すると、触媒を還元され始めるようにし、同時にH+イオンが膜を通過し、電荷のバランスをとるステップと、
を含む方法である。
e)カソード液を再酸化ゾーンからカソード液貯蔵器に通すステップを含む。
O2+4Spred+4H+→2H2O+4SpOX
(式中、Spは、レドックス対種である。)
実施例カソード液の合成
V2O4のH6PMo9V3O40への添加
VOSO4のH3Na4PMo8V4O40(水溶液)への添加
従来技術のカソード液の比較
Claims (26)
- イオン選択性高分子電解質膜によって分離されたアノードおよびカソードと、燃料を電池のアノード領域に供給する手段と、酸化剤を電池のカソード領域に供給する手段と、電気回路をアノードおよびカソードの間に提供する手段と、カソードと連通する非揮発性カソード溶液流動流体とを含み、カソード溶液は、電池の作動時、カソードで少なくとも部分的に還元され、およびカソードでの還元の後、酸化剤との反応によって少なくとも部分的に再生されるポリオキソメタレートレドックス対を含み、およびカソード溶液は、少なくとも約0.075Mの前記ポリオキソメタレートを含むレドックス燃料電池であって、前記ポリオキソメタレートは、式:
Xa[ZbMcOd]
(式中、Xは、水素、アルカリ金属、アルカリ土類金属、アンモニウムまたはアルキルアンモニウム、およびこれらの2種以上の組合わせから選択され、
Zは、B、P、S、As、Si、Ge、Ni、Rh、Sn、Al、Cu、I、Br、F、Fe、Co、Cr、Zn、H2、Te、MnおよびSe、ならびにこれらの2種以上の組合わせから選択され、
Mは、少なくとも1個のV原子を含み、およびMは、Mo、W、V、Nb、Ta、Mn、Fe、Co、Cr、Ni、Zn、Rh、Ru、Tl、Al、Ga、Inおよび第1、第2および第3遷移金属系列およびランタニド系列から選択される他の金属類、およびこれらの2種以上の組合わせから選択される金属であり、
aは、[ZbMcOd]アニオンの荷電平衡に必要なXの数であり、
bは、0〜20であり、
cは、1〜40であり、および
dは、1〜180である)で表され、
前記カソード液は、さらに、バナジウム(IV)化合物を含むレドックス燃料電池。 - bが0〜2である請求項1に記載のレドックス燃料電池。
- cが5〜20である請求項1または請求項2に記載のレドックス燃料電池。
- dが30〜70である請求項1〜3のいずれか1項に記載のレドックス燃料電池。
- 前記ポリオキソメタレートが、式:Χa[Ζ1Μ12O40]で表される請求項1〜4のいずれか1項に記載のレドックス燃料電池。
- 前記ポリオキソメタレートが、H3+ePMo12−eVeO40、H3+ePW12−eVeO40、HfXgPMo12−eVeO40、HfXgPW12−eVeO40、およびこれらの2種以上の組み合わせを含み、
式中、eは2〜5であり、
f+gは、3+eであり、および
Xは、Na、Liまたはこれらの組合わせである請求項1〜5のいずれか1項に記載のレドックス燃料電池。 - 前記バナジウム(IV)化合物は、VO2、V2O4、VOSO4、VO(acac)2、VO(ClO4)2、VO(BF4)2、これらの水和物、およびこれらの2種以上の組合わせから選択される少なくとも1つを含む請求項1〜6のいずれか1項に記載のレドックス燃料電池。
- H3+ePMo12−eVeO40またはH3+ePW12−eVeO40(式中、eは2〜5である)と、添加されたV2O4および/またはVOSO4との組合わせを含む請求項1〜7のいずれか1項に記載のレドックス燃料電池。
- HfXgPMo12−eVeO40またはHfXgPW12−eVeO40(式中、eは2〜5であり、f+gは3+eであり、Xは、Na、Liまたはこれらの組み合わせである)と、添加されたV2O4および/またはVOSO4との組み合わせを含む請求項1〜7のいずれか1項に記載のレドックス燃料電池。
- 前記バナジウム(IV)化合物の濃度は、0.05M以上である請求項1〜9のいずれか1項に記載のレドックス燃料電池。
- Mは、バナジウム、モリブデンおよびこれらの組合わせから選択される請求項1〜10のいずれか1項に記載のレドックス燃料電池。
- M c は、V2、V3、V4またはV5を含む請求項1〜11のいずれか1項に記載のレドックス燃料電池。
- Zはリンである請求項1〜12のいずれか1項に記載のレドックス燃料電池。
- Xは、水素と、アルカリ金属および/またはアルカリ土類金属イオン、好ましくはリチウムおよびその組合わせとの組合わせを含む請求項1〜13のいずれか1項に記載のレドックス燃料電池。
- 前記ポリオキソメタレート中に、2〜4個のバナジウム種を含む請求項1〜14のいずれか1項に記載のレドックス燃料電池。
- 前記ポリオキソメタレートは、H3Na2PMo10V2O40を含む請求項1に記載のレドックス燃料電池。
- 前記ポリオキソメタレートは、H3Na2PMo9V3O40を含む請求項1に記載のレドックス燃料電池。
- 前記ポリオキソメタレートは、H3Na4PMo8V4O40を含む請求項1に記載のレドックス燃料電池。
- 少なくとも1個のXは、水素である請求項1〜18のいずれか1項に記載のレドックス燃料電池。
- Xは、少なくとも1個の水素と、少なくとも1種の、アルカリ金属、アルカリ土類金属、アンモニウムおよびこれらの2種以上の組合わせから選択される他の物質とを含む請求項19に記載のレドックス燃料電池。
- 前記カソード溶液は、少なくとも1種の補助的なレドックス種を含む請求項1〜20のいずれか1項に記載のレドックス燃料電池。
- 前記補助的なレドックス種は、遷移金属錯体、さらなるポリオキソメタレート、およびこれらの組合わせから選択される請求項21に記載のレドックス燃料電池。
- 前記遷移金属錯体中の遷移金属は、酸化状態がII〜Vのマンガン、I〜IVの鉄、I〜IIIの銅、I〜IIIのコバルト、I〜IIIのニッケル、(II〜VII)のクロム、II〜IVのチタン、IV〜VIのタングステン、II〜VのバナジウムおよびII〜VIのモリブデンから選択される請求項22に記載のレドックス燃料電池。
- 前記カソード溶液は、いかなる補助的なレドックス種も含まない請求項1〜20のいずれか1項に記載のレドックス燃料電池。
- 前記ポリオキソメタレートの前記カソード溶液における濃度は、0.1M以上である請求項1〜24のいずれか1項に記載のレドックス燃料電池。
- 請求項1〜25のいずれか1項に記載のレドックス燃料電池の使用のためのカソード溶液であって、該溶液は、バナジウム(IV)化合物と組合わせられた、少なくとも約0.075Mのポリオキソメタレートを含むカソード溶液。
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GB1021904.6 | 2010-12-23 | ||
GB1021904.6A GB2486719B (en) | 2010-12-23 | 2010-12-23 | Fuel cells |
PCT/GB2011/052500 WO2012085542A1 (en) | 2010-12-23 | 2011-12-16 | Regenerative fuel cell with catholyte comprising a polyoxometalate and a vanadium (iv) - compound |
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GB2500031B (en) * | 2012-03-07 | 2015-04-01 | Acal Energy Ltd | Fuel cells |
GB2503653A (en) * | 2012-06-26 | 2014-01-08 | Acal Energy Ltd | Redox Battery use for polyoxometallate |
GB2503475A (en) * | 2012-06-27 | 2014-01-01 | Acal Energy Ltd | Fuel Cells for use at elevated temperatures and pressures |
GB2515725A (en) | 2013-05-01 | 2015-01-07 | Acal Energy Ltd | Fuel cells |
GB201308178D0 (en) | 2013-05-07 | 2013-06-12 | Acal Energy Ltd | Redox systems |
GB2520259A (en) * | 2013-11-12 | 2015-05-20 | Acal Energy Ltd | Fuel cell assembly and method |
US9711818B2 (en) | 2014-03-14 | 2017-07-18 | Wisconsin Alumni Research Foundation | Charge transfer mediator based systems for electrocatalytic oxygen reduction |
JP5850094B2 (ja) | 2014-06-24 | 2016-02-03 | トヨタ自動車株式会社 | レドックス型燃料電池 |
JP6094558B2 (ja) * | 2014-10-29 | 2017-03-15 | 株式会社豊田中央研究所 | フロー電池 |
GB2549708B (en) * | 2016-04-21 | 2019-01-02 | Siemens Ag | A reduction-oxidation flow battery |
CN108023079B (zh) * | 2017-11-30 | 2020-05-22 | 华南理工大学 | 一种混合过渡金属硼酸盐负极材料及其制备方法 |
JP6859963B2 (ja) * | 2018-01-17 | 2021-04-14 | トヨタ自動車株式会社 | レドックスフロー型燃料電池 |
CN108306046B (zh) * | 2018-01-22 | 2020-04-24 | 厦门大学 | 一种全固态复合聚合物电解质及其制备方法 |
CN108666604B (zh) * | 2018-03-21 | 2021-06-08 | 广东省稀有金属研究所 | 一种全钒液流电池的硫酸氧钒电解液除铜方法 |
US11603597B2 (en) | 2018-08-14 | 2023-03-14 | Massachusetts Institute Of Technology | Production of chemical products using electrochemical flow systems and mediators and associated methods |
US11236429B2 (en) | 2018-08-14 | 2022-02-01 | Massachusetts Institute Of Technology | Production of chemical products using electrochemical flow systems and slug flow and associated methods |
CN109728343B (zh) * | 2018-12-12 | 2021-04-27 | 南京师范大学 | 一种多酸/高分子聚合物杂化纳米线的制备方法及其所得材料 |
CN111326749B (zh) * | 2018-12-14 | 2021-06-18 | 中国科学院福建物质结构研究所 | 钴和碳化钨共负载的碳纳米催化材料 |
CN110571463B (zh) * | 2019-08-22 | 2020-10-23 | 浙江大学 | 硫酸氧化钒均相辅助催化的直接甲酸燃料电池 |
CN112850787A (zh) * | 2021-01-27 | 2021-05-28 | 浙江高成绿能科技有限公司 | 一种燃料电池用催化剂载体、催化剂及其制备方法 |
CN114142074B (zh) * | 2021-11-30 | 2023-10-27 | 成都先进金属材料产业技术研究院股份有限公司 | 提高钒电池电解液稳定性的方法 |
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BE603874A (ja) | 1960-05-17 | |||
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GB0718349D0 (en) * | 2007-09-20 | 2007-10-31 | Acal Energy Ltd | Fuel cells |
GB0718577D0 (en) * | 2007-09-24 | 2007-10-31 | Acal Energy Ltd | Fuel cells |
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KR20140009195A (ko) | 2014-01-22 |
EP2656427A1 (en) | 2013-10-30 |
US9362584B2 (en) | 2016-06-07 |
US20140004391A1 (en) | 2014-01-02 |
GB201021904D0 (en) | 2011-02-02 |
WO2012085542A1 (en) | 2012-06-28 |
EP2656427B1 (en) | 2017-08-23 |
CN103262324A (zh) | 2013-08-21 |
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