	US 12,438,159 B2
	Carbon-based carrier for fuel cell catalyst, catalyst comprising same, membrane-electrode assembly comprising same, and method for preparing same
Jung Ho Kim, Seoul (KR); Jun Young Kim, Seoul (KR); Kah-Young Song, Seoul (KR); Nakwon Kong, Seoul (KR); Jusung Lee, Seoul (KR); Kyoungsik Nam, Seoul (KR); and Chanmi Park, Seoul (KR)
Assigned to KOLON INDUSTRIES, INC, Seoul (KR)
Appl. No. 17/778,938
Filed by KOLON INDUSTRIES, INC., Seoul (KR)
PCT Filed Sep. 24, 2021, PCT No. PCT/KR2021/013006 § 371(c)(1), (2) Date May 23, 2022, PCT Pub. No. WO2022/085963, PCT Pub. Date Apr. 28, 2022.
Claims priority of application No. 10-2020-0136421 (KR), filed on Oct. 21, 2020.
Prior Publication US 2022/0416259 A1, Dec. 29, 2022
Int. Cl. H01M 4/92 (2006.01); H01M 8/10 (2016.01); H01M 8/1004 (2016.01); H01M 8/1086 (2016.01)

CPC H01M 4/926 (2013.01) [H01M 8/1004 (2013.01); H01M 8/109 (2013.01); H01M 2008/1095 (2013.01)]

5 Claims

1. A carbon-based support for a fuel cell catalyst, wherein the carbon-based support is a solid-type support and has an external surface area of 100 to 450 m²/g, a BET surface area of 150 to 600 m²/g, a mesopore volume of 0.25 to 0.65 cm³/g, and a micropore volume of 0.01 to 0.05 cm³/g,

wherein each of the external surface area, the BET surface area, the mesopore volume, and the micropore volume is an arithmetic mean of measured values obtained from five randomly selected samples using a Brunauer-Emmett-Teller (BET) analyzer (Micromeritics, ASAP-2020).

2. The carbon-based support according to claim 1, wherein the carbon-based support has a d-spacing value, calculated according to Bragg's law using a (002) peak obtained through XRD analysis, of 3.38 to 3.62 Å.

3. The carbon-based support according to claim 1, wherein the carbon-based support is an acetylene black support.

4. A catalyst comprising:

the carbon-based support according to claim 1; and

catalytic metal particles dispersed on the carbon-based support.