Corrosion-Resistant System for Carbon-Free Power and Fuel Cells
Summary
The European Patent Office has published a patent application (EP4711327A1) for a corrosion-resistant system designed for carbon-free power generation and fuel cells. The system utilizes a specific ammonia decomposition method and material specifications for its components, aiming to improve durability and efficiency in these energy technologies.
What changed
This document is a patent publication from the European Patent Office (EPO) detailing a corrosion-resistant system for carbon-free power generation and fuel cells. The patent, application number EP4711327A1, describes a system that includes an ammonia supply unit, a first pipe, an ammonia decomposition unit with a chamber, and a second pipe. Key specifications include operating temperatures of 410°C or lower, and specific material requirements for the pipes and chamber, including nickel-based alloys for the second pipe.
As this is a patent publication, it does not impose direct compliance obligations on regulated entities. However, it represents a technological advancement in the field of carbon-free energy. Companies involved in the development or manufacturing of fuel cells, ammonia decomposition systems, or related components may find this patent relevant for innovation, licensing, or competitive analysis. No immediate actions or deadlines are associated with this publication for compliance officers.
Source document (simplified)
CORROSION-RESISTANT SYSTEM, CARBON-FREE POWER GENERATION AND FUEL CELL SYSTEM COMPRISING SAID CORROSION-RESISTANT SYSTEM, AND AMMONIA DECOMPOSITION METHOD
Publication EP4711327A1 Kind: A1 Mar 18, 2026
Applicants
SK Innovation Co., Ltd.
Inventors
SUNG, Jong Baek, CHOI, Won Seok, PARK, Hyun Joon, CHOI, Jae Suk, LEE, Ji Yun, IM, Ju Hwan
Abstract
A corrosion-resistant system, a carbon-free power generation and fuel cell system comprising the corrosion-resistant system, and a method for ammonia decomposition utilizing said corrosion-resistant system are provided. The corrosion-resistant system includes: an ammonia supply unit; a first pipe connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first pipe; and a second pipe connected to the chamber, wherein the chamber is configured to operate at an operating temperature of 410°C or lower, the first pipe and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second pipe comprises a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm
IPC Classifications
C01B 3/047 20260101AFI20260204BHEP C22C 19/03 20060101ALI20260204BHEP C22C 38/00 20060101ALI20260204BHEP C22C 38/40 20060101ALI20260204BHEP F02B 43/00 20060101ALI20260204BHEP F02M 21/02 20060101ALI20260204BHEP B01J 19/02 20060101ALI20260204BHEP H01M 8/0606 20160101ALI20260204BHEP H01M 8/22 20060101ALI20260204BHEP F02C 3/22 20060101ALI20260204BHEP F02C 6/18 20060101ALI20260204BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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