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Carboranyl magnesium electrolyte for magnesium battery

A technology of carboryl lithium and carborane, which is applied in the field of electrochemical devices, can solve the problems of high cost and limited energy density of magnesium batteries

Active Publication Date: 2014-12-03
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This prevents non-noble metals from being used as current collectors in contact with high-voltage cathodes, limiting the theoretical energy density of magnesium batteries
Furthermore, theoretical magnesium batteries in which noble metals are used as current collectors incur very high costs

Method used

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  • Carboranyl magnesium electrolyte for magnesium battery
  • Carboranyl magnesium electrolyte for magnesium battery
  • Carboranyl magnesium electrolyte for magnesium battery

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Embodiment Construction

[0030] Exemplary embodiments of electrochemical devices having carboryl magnesium electrolytes and methods for making electrochemical devices are provided herein. The provided electrochemical devices with carboryl magnesium electrolytes may facilitate use in magnesium batteries with electrodes made of non-noble metals such as stainless steel. The electrochemical device may be, for example, a battery cell, which generally includes an anode current collector and a cathode current collector, which may be externally connected to a load or a recharging source, as the case may be. It should be noted that the terms "anode" and "cathode" are used in this specification as those terms understood in the context of the battery being placed across a load, i.e. the term "anode" denotes the negative pole of the battery and the term "cathode" denotes the negative pole of the battery. positive electrode. Additionally, anode or "negative electrode" means the electrode where electrochemical oxi...

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Abstract

An electrochemical device is provided having a carboranyl magnesium electrolyte. Specifically the disclosure relates to an electrochemical device having a magnesium anode, a cathode, and a current collector made of non-noble metal, and a carboranyl magnesium electrolyte. In contact with the electrolyte, the non-noble metal cathode current collector has unusually high oxidative stability >3.0V vs. a magnesium reference. Processes for making the electrochemical device are additionally provided.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of US Patent Application No. 13 / 902,797, filed May 25, 2013, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention is directed primarily to electrochemical devices, and to methods for the manufacture of electrochemical devices having carboryl magnesium electrolytes, and in particular to electrochemical devices having carboryl magnesium electrolytes, said carboranes The magnesium-based electrolyte is compatible with magnesium anodes and cathodes made of non-noble metals while maintaining an oxidation stability of >3.0 V versus a magnesium reference. Background technique [0004] Most common salts of magnesium (Mg) cannot be used as effective magnesium battery electrolytes due to the formation of an ion barrier at the electrode surface. It has been previously shown that Grignard reagent (R-Mg-X) supports magnesium depositi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0561
CPCH01M10/058H01M10/0568H01M10/054H01M2300/0025H01M4/381H01M10/0569Y02E60/10Y10T29/49108Y02P70/50
Inventor R·穆赫塔迪O·图图斯奥斯T·S·阿瑟T·J·卡特
Owner TOYOTA JIDOSHA KK
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