# US 2017/0288244 A1 · Proton exchange membrane fuel cell > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0288244 A1 - Document ID: US20170288244A1 - Status: Published application - Kind: A1 - Application number: 15/444,183 - Filed: 2017-02-27 - Published: 2017-10-05 - Earliest claimed: 2016-03-31 - Assignees: Tsinghua University; Hon Hai Precision Industry Co., Ltd. - Applicants: Tsinghua University; Hon Hai Precision Industry Co., Ltd. - Inventors: LI-NA ZHANG; KAI-LI JIANG; SHOU-SHAN FAN - Web page: https://patentgrep.com/patent/US20170288244A1 ## CPC - H01M 8/04291: Arrangements for managing water in solid electrolyte fuel cell systems (H01M8/04119 takes precedence) - H01M 4/96: Carbon-based electrodes - H01M 8/02: Details (electrodes H01M4/86 - H01M4/98) - H01M 8/0278: {O-rings} - H01M 8/04: Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids - H01M 8/04156: {with product water removal} - H01M 8/04201: {Reactant storage and supply, e.g. means for feeding, pipes} - H01M 8/04231: {Purging of the reactants} - H01M 8/1009: with one of the reactants being liquid, solid or liquid-charged (H01M8/12 takes precedence) - H01M 8/16: Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts - H01M 8/2475: Enclosures, casings or containers of fuel cell stacks - H01M 2008/1095: {Fuel cells with polymeric electrolytes} - Y02E 60/50: Fuel cells - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly device located in the reacting room, wherein the reacting room is divided into an anode electrode space and a cathode electrode space connected to the outside through a pipe, the volume of the anode electrode space and the cathode electrode space can be changed by moving the membrane electrode assembly device. ## Claims ### Claim 1 A proton exchange membrane fuel cell, comprising: a reacting room; a fuel room in communication with the reacting room through a fuel inputting hole; a fuel inputting door located on the fuel inputting hole; a waste room in communication with the reacting room through a waste outputting hole; a waste outputting door located on the waste outputting hole; and a membrane electrode assembly device located in the reacting room and dividing the reacting room into a first electrode space and a second electrode space, wherein the membrane electrode assembly device is movable in the reacting room so that volumes of the first electrode space and the second electrode space is variable, and the second electrode space is in communication with an outside atmosphere through a gas exchange hole. ### Claim 2 (depends on 1) The proton exchange membrane fuel cell of claim 1, wherein the membrane electrode assembly device comprises a gasket ring defining a through hole and a membrane electrode assembly located on the gasket ring and covering the through hole. ### Claim 3 (depends on 2) The proton exchange membrane fuel cell of claim 2, wherein the membrane electrode assembly comprises an anode current collector, an anode electrode, a proton exchange membrane, a cathode electrode, and a cathode current collector. ### Claim 4 (depends on 3) The proton exchange membrane fuel cell of claim 3, wherein the gasket ring comprises an annular body, a cathode connector located on the annular body, and an anode connector located on the annular body. ### Claim 5 (depends on 4) The proton exchange membrane fuel cell of claim 4, wherein the anode connector is electrically connected to the anode electrode, and the cathode connector is electrically connected to the cathode electrode. ### Claim 6 (depends on 4) The proton exchange membrane fuel cell of claim 4, wherein the anode connector and the cathode connector are partially exposed to the second electrode space. ### Claim 7 (depends on 4) The proton exchange membrane fuel cell of claim 4, wherein the annular body defines an annular groove on an inner surface of the annular body and the membrane electrode assembly is partially embed in the annular groove. ### Claim 8 (depends on 1) The proton exchange membrane fuel cell of claim 1, further comprising an oxygen room and a gas inputting door, wherein the oxygen room is in communication with the second electrode space through a gas inputting hole, and the gas inputting door is located on the gas inputting hole. ### Claim 9 (depends on 8) The proton exchange membrane fuel cell of claim 8, further comprising a gas outputting door located on the gas exchange hole, and the gas exchange hole is only used to exhaust waste gas. ### Claim 10 (depends on 1) The proton exchange membrane fuel cell of claim 1, wherein an angle between a moving direction of the membrane electrode assembly device and a horizontal plane is in a range from about 30 degrees to about 60 degrees. ### Claim 11 (depends on 1) The proton exchange membrane fuel cell of claim 1, wherein a moving direction of the membrane electrode assembly device is horizontal. ### Claim 12 (depends on 11) The proton exchange membrane fuel cell of claim 11, further comprising a waste water collecting room under the reacting room, wherein the waste water collecting room is communicated to the second electrode space through a waste water outputting hole. ### Claim 13 (depends on 12) The proton exchange membrane fuel cell of claim 12, wherein the waste water outputting hole is located at a bottom corner of the second electrode space. ### Claim 14 A proton exchange membrane fuel cell, comprising: a container, wherein the container comprise: an annular internal wall, wherein a reacting room is defined by the annular internal wall; an annular external wall surrounding the annular internal wall, wherein a storage room is defined between the annular internal wall and the annular external wall and divided into a fuel room and a waste room, the fuel room is in communication with the reacting room through a fuel inputting hole, and the waste room is in communication with the reacting room through a waste outputting hole; a bottom wall connecting the annular internal wall and the annular external wall; a top wall connecting the annular internal wall and the annular external wall, wherein a gas exchange hole is defined on the top wall; a fuel inputting door located on the fuel inputting hole; and a waste outputting door located on the waste outputting hole; and a membrane electrode assembly device located in the reacting room and dividing the reacting room into a first electrode space and a second electrode space, wherein the membrane electrode assembly device is movable in the reacting room so that volumes of the first electrode space and the second electrode space is variable, and the second electrode space is in communication with an outside atmosphere through the gas exchange hole. ### Claim 15 (depends on 14) The proton exchange membrane fuel cell of claim 14, wherein the membrane electrode assembly device comprises a gasket ring defining a through hole and a membrane electrode assembly located on the gasket ring and covering the through hole. ### Claim 16 (depends on 15) The proton exchange membrane fuel cell of claim 15, wherein the membrane electrode assembly comprises an anode current collector, an anode electrode, a proton exchange membrane, a cathode electrode, and a cathode current collector. ### Claim 17 (depends on 16) The proton exchange membrane fuel cell of claim 16, wherein the gasket ring comprises an annular body, a cathode connector located on the annular body, and an anode connector located on the annular body. ### Claim 18 (depends on 17) The proton exchange membrane fuel cell of claim 17, wherein the anode connector is electrically connected to the anode electrode, and the cathode connector is electrically connected to the cathode electrode. ### Claim 19 (depends on 18) The proton exchange membrane fuel cell of claim 18, wherein the anode connector and the cathode connector are partially exposed to the second electrode space. ### Claim 20 (depends on 17) The proton exchange membrane fuel cell of claim 17, wherein the annular body defines an annular groove on an inner surface of the annular body and the membrane electrode assembly is partially embed in the annular groove.