Fujifilm Wako Pure Chemical Corporation

Wako Pure Chemical Industries, Inc.

National Institute of Advanced Industrial Science and Technology

Tokyo University of Science Foundation

Takahiro Kiyosu

Kuniaki Okamoto

Kazuhiko Sato

Goro Mori

Tsutomu Watahiki

Hiroyuki Yasuda

Shinichi Komaba

Toshiyasu Sakakura

Hironori Mizuta

Yasuyoshi Mori

Jun-chul Choi

Hiromi Watahiki

Takatoshi Matsuura

Shoko Aoki

Yasumasa Takenaka

Kiyofumi Yamagiwa

Michihiko Sato

It is an object of the present invention to provide an electrode having superior charge-discharge capacity, even in the case of using an active material containing silicon. The present invention relates to 'a binder for a lithium cell comprises a polymer having a monomer unit derived from acrylic acid, and 1 to 2 kinds of monomer units derived from the compound shown by the general formula (I), the general formula (II), or the general formula (III), as constituents, and cross-linked by a cross-linking agent selected from the compounds described by the following general formulae [1] to [13], and the polymer described by the following general formula [14]', 'a composition for producing an electrode of a lithium cell comprising 1) an active material containing silicon, 2) a conductive assistant, and 3) the above-described binder for a cell', and &#x201c;an electrode for a lithium cell having 1) an active material containing silicon, 2) a conductive assistant, 3) the above-described binder for a cell, and (4) a current collector&#x201d;.

Binder for lithium cell

An object of the present invention is to provide a highly practical electrolytic solution which has a high oxidative decomposition potential, enables the dissolution and precipitation of magnesium to stably repeatedly proceed, and is easy to prepare. The present invention relates to an electrolytic solution for a magnesium battery comprising: a compound represented by the general formula (I), a Lewis acid or a compound represented by the general formula (A), and a solvent; and to the compound represented by the general formula (I). In the formula (I), two X's each independently represent a halogeno group, and Rrepresents an alkyl group having 1 to 6 carbon atoms; an alkoxy group having 1 to 6 carbon atoms; a phenoxy group; a &#x2014;OMgX group (X is the same as X described above); an aryl group having 6 to 18 carbon atoms which has, as a substituent, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a vinyl group, a phenyl group, a phenoxy group, a halogeno group or a &#x2014;B(OMgX)group (X is the same as X described above) or is unsubstituted; or a monocyclic or bicyclic heterocyclic group which has, as a substituent, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a vinyl group, a phenyl group, a phenoxy group, a halogeno group, or a &#x2014;B(OMgX)group (X is the same as X described above) or is unsubstituted. In the general formula (A), four R's each independently represent an alkyl group having 1 to 6 carbon atoms, a perfluoroalkyl group having 1 to 6 carbon atoms, a phenyl group, or a perfluorophenyl group.

Electrolyte solution containing magnesium ions

It is an object of the present invention to provide an electrochemical device having an electrolytic solution having high current density, as well as high safety, where dissolution and deposition of magnesium progress repeatedly and stably. Furthermore, the present invention relates to an electrolytic solution for an electrochemical device, comprising (1) a supporting electrolyte comprising a magnesium salt, and (2) at least one or more kinds of the compound represented by following general formula (I) (wherein n represents an integer of 0 to 6, and n pieces of Rand n pieces of Reach independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogenoalkyl group having 1 to 6 carbon atoms. Aand Aeach independently represent &#x2014;C(&#x2550;O)&#x2014;R, &#x2014;O&#x2014;R, &#x2014;N(R)&#x2014;R, &#x2014;S&#x2014;R, &#x2014;C(&#x2550;O)&#x2014;OR, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;R, &#x2014;C(&#x2550;O)&#x2014;N(R)&#x2014;R, &#x2014;N(R)&#x2014;C(&#x2550;O)&#x2014;R, &#x2014;SO&#x2014;R, &#x2014;N(R)&#x2014;SO&#x2014;R, &#x2014;O&#x2014;B(OR), &#x2014;O&#x2014;P(&#x2550;O)(OR), &#x2014;CN, a monocyclic heterocyclic group, a group derived from cyclic acetal, a group derived from a cyclic carbonate ester, a group derived from a cyclic carboxylate ester).

Electrolyte solution for electrochemical device, and electrochemical device

It is an object of the present invention to provide an electrolytic solution having high oxidation decomposition potential, where dissolution and deposition of magnesium proceed repeatedly and stably, using a non-nucleophilic alkoxide-type magnesium salt. The present invention relates to  

Magnesium-containing electrolytic solution

It is an object of the present invention to provide an electrochemical device having an electrolytic solution having high current density and high oxidation resistance, as well as high safety, where dissolution and deposition of magnesium progress repeatedly and stably. The present invention relates to the electrolytic solution for an electrochemical device comprising (1) the supporting electrolyte composed of a magnesium salt and (2) at least one or more kinds of the compound represented by the following general formula [2], as well as the electrochemical device comprising said electrolytic solution, a positive electrode, a negative electrode and a separator. 

Electrolyte solution for electrochemical devices

The invention provides a method for producing an arylhydroxylamine compound efficiently and safely under mild conditions. The method involves contacting a nitroaryl compound with a hydrogen source in the presence of a platinum catalyst supported on amino group-coordinated silica and a poisoning agent.

Method for producing arylhydroxylamine

Growing community of inventors

Kawagoe, Japan

Takahiro Kiyosu