US 12,095,038 B2
Secondary battery
Qiaoshu Hu, Kyoto (JP); Takumi Hiasa, Kyoto (JP); Kazumasa Takeshi, Kyoto (JP); Graham Sandford, Durham (GB); Joshua Walton, Durham (GB); Nadejda Krasteva, Stuttgart (DE); Silvia Rosselli, Stuttgart (DE); Gabriele Nelles, Stuttgart (DE); David Danner, Stuttgart (DE); Vitor Deichmann, Stuttgart (DE); Dennis Chercka, Stuttgart (DE); William Ford, Stuttgart (DE); and Clemens Wall, Stuttgart (DE)
Assigned to Murata Manufacturing Co., Ltd., Kyoto (JP)
Filed by MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed on May 26, 2022, as Appl. No. 17/825,588.
Application 17/825,588 is a division of application No. 16/588,050, filed on Sep. 30, 2019, abandoned.
Application 16/588,050 is a continuation of application No. PCT/JP2018/013531, filed on Mar. 30, 2018.
Claims priority of application No. 17164208 (EP), filed on Mar. 31, 2017; and application No. 2017-164109 (JP), filed on Aug. 29, 2017.
Prior Publication US 2022/0302500 A1, Sep. 22, 2022
Int. Cl. H01M 10/0525 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 10/0567 (2010.01); H01G 11/64 (2013.01)
CPC H01M 10/0567 (2013.01) [H01M 10/0525 (2013.01); H01G 11/64 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/525 (2013.01); H01M 4/587 (2013.01); H01M 2300/0037 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A secondary battery, comprising:
a cathode;
an anode; and
an electrolytic solution including a cyano compound represented by chemical formula (1) and an unsaturated cyclic carbonate ester represented by chemical formula (2),

OG Complex Work Unit Chemistry
wherein R1 represents one of a monovalent hydrocarbon group and a monovalent halogenated hydrocarbon group, R2 represents a monovalent chain hydrocarbon cyano group in which the monovalent chain hydrocarbon cyano group comprises a group having one cyano group that is introduced into an end of a straight-chain alkyl group having a number of carbons of two to four both inclusive, X1 represents a halogen group, and X2 represents one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, and a monovalent halogenated hydrocarbon group, and

OG Complex Work Unit Chemistry
wherein each of R11 and R12 is one of a hydrogen group and an alkyl group.