US 12,662,383 B2
Conductive two-dimensional particle and method for producing the same
Masashi Koyanagi, Nagaokakyo (JP); Akimaro Yanagimachi, Nagaokakyo (JP); Hiroki Sakamoto, Nagaokakyo (JP); and Hajime Shimizu, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Nagaokakyo (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Feb. 28, 2023, as Appl. No. 18/175,996.
Application 18/175,996 is a continuation of application No. PCT/JP2021/030833, filed on Aug. 23, 2021.
Claims priority of application No. 2020-147674 (JP), filed on Sep. 2, 2020.
Prior Publication US 2023/0227317 A1, Jul. 20, 2023
Prior Publication US 2024/0034634 A9, Feb. 1, 2024
Int. Cl. H01B 1/04 (2006.01); C01B 32/90 (2017.01); C08K 3/14 (2006.01); H01B 1/20 (2006.01)
CPC C01B 32/90 (2017.08) [C08K 3/14 (2013.01); H01B 1/04 (2013.01); H01B 1/20 (2013.01); C01P 2004/03 (2013.01); C01P 2004/24 (2013.01); C01P 2004/61 (2013.01); C01P 2004/64 (2013.01); C08K 2201/001 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A conductive two-dimensional particle of a layered material comprising one layer or one layer and plural layers, wherein the layer includes a layer body represented by:
MmXn
wherein M is at least one metal of Group 3, 4, 5, 6, or 7,
X is a carbon atom, a nitrogen atom, or a combination thereof,
n is 1 to 4, and
m is more than n and 5 or less, and
a modifier or terminal T existing on a surface of the layer body,
wherein T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, or a hydrogen atom;
a monovalent metal ion; and
an organic compound having a Hildebrand dissolution parameter of 19.0 MPa1/2 to 47.8 MPa1/2,
wherein
the conductive two-dimensional particle does not contain an amine,
a total content of chlorine and bromine in the conductive two-dimensional particle is 1,500 ppm by mass or less, and
an average value of a major diameter of a two-dimensional surface of the conductive two-dimensional particle is 1.0 μm to 20 μm.