innovative gasketless carbon composite bipolar plates for

SGL Carbon successfully experimented large size

2018/7/9SGL Carbon has developed and successfully tested full size (60 x 60 ) TF6 and PV15 bipolar plates (BPP) made of a graphite/fluoropolymer composite material. The performance of the new large size plates is in line with their smaller size versions showing good electrical conductivity, high chemical resistance, and light weight.

ILA 2018: CFRP recycling: into the battery instead of the

2018/4/12This composite material has similar properties to graphite and is suitable for the production of bipolar plates. "Our prototype passed all the tests for conductivity, density and corrosion resistance perfectly," reports Seiler.

School of Mechanical Engineering, Shanghai Jiao Tong

A lifetime prediction model for coated metallic bipolar plates in proton exchange membrane fuel cells. Energy Conversion and Management, 2019, Volume 183, Pages 65-72. [6]Yi, P., Zhang, D., Qiu, D., Peng, L., Lai, X. Carbon-based coatings for metallic bipolar plates

Latest research:: Flexible bipolar polymer plates open the

2019/2/26Moreover, the innovative new bipolar plates can be welded together, so the resulting battery system is totally gas and liquid-tight. Conventional bipolar plates, by contrast, are unsuitable for welding due to the thermal and mechanical stresses on the material during manufacture.

Promoted Projects

2019/9/30As an innovative company we work - partly together with partners - on pioneering and groundbreaking projects for the further development of the use of carbon as well as new applications. Some of these projects are supported by regional or state programs. The list

The development of PVD coatings for PEM fuel cell bipolar plates

PEMFC metallic bipolar plates. Thin Solid Films, 2012, 528, 199-204. K. Cooke, H. Sun, S. Field, G. Eitzinger P. Hamilton, Closed Field Unbalanced Magnetron Sputter Ion Plating of high performance coatings on PEMFC metallic bipolar plates, 13th th

KAIST INSTITUTE

Fuel cells consist of many components including end plates, bipolar plates, membranes, gas diffusion layers, and gaskets. Among these components, the bipolar plates account for approximately 38% of the stack cost because they make up more than 80% of the stack weight and volume, induce high stack assembly costs, and require long assembly times.

Latest research:: Flexible bipolar polymer plates open the

2019/2/26Moreover, the innovative new bipolar plates can be welded together, so the resulting battery system is totally gas and liquid-tight. Conventional bipolar plates, by contrast, are unsuitable for welding due to the thermal and mechanical stresses on the material during manufacture.

Development concerns (3)

The major heat exchanger components of a plate-fin, cross-flow core include corrugated fins, parting sheets, and channel edge closures. As mentioned, the use of C/C composites allows each component to be tailored for thermal and structural performance through materials and processing selection. Although this option exists, it is often labor intensive or processing becomes a cost limiting

PROFESSOR

Best Paper Award, KSCM (Korean Society of Composite Materials), Development of self-aligning carbon composite bipolar plates for PEMFC, Spring Conference, 2012. 1 Outstanding Globalization Award, BK21 (Brain Korea 21), School of Mechanical, Aerospace and Systems Engineering, KAIST, Development of the Light Weight Insert for Composite Sandwich Satellite Structures, Master's

graphite

Both the basic model (NDPROP) and the degraded properties model (DCAP) have been shown to be capable of accurately predicting carbon-carbon composite material properties. DCAP, in particular, has been demonstrated to have the ability to model various CC materials with enough accuracy to permit reliable engineering studies of material performance with little or no experimental data. When

Lightweight battery plates

1992/8/20Bipolar battery construction utilizes a series of bipolar battery plates, or biplates, which are solid sheets of material, to partition the battery into cells and provide electrical contact between the positive and negative electrode materials of adjacent cells.

Development concerns (3)

The major heat exchanger components of a plate-fin, cross-flow core include corrugated fins, parting sheets, and channel edge closures. As mentioned, the use of C/C composites allows each component to be tailored for thermal and structural performance through materials and processing selection. Although this option exists, it is often labor intensive or processing becomes a cost limiting

US Patent for Bipolar plate for PEM fuel cells Patent

2003/9/22Composite materials are composed of special plastics which include conductive fillers, e.g. based on carbon. WO 98/33224 describes bipolar plates made of ferrous alloys which include high proportions of chromium and nickel. GB-A-2 326 017 discloses bipolar

Flexible bipolar plates for compact batteries

2019/2/4Bipolar batteries are designed to solve this problem by connecting the individual cells with each other using flat bipolar plates. However, this gives rise to other challenges: either the bipolar plates are made of metal and are thus prone to corrosion, or they are made of a carbon-polymer composite, in which case they have to be at least several millimeters thick as a result of the

ILA 2018: CFRP recycling: into the battery instead of the

2018/4/12This composite material has similar properties to graphite and is suitable for the production of bipolar plates. "Our prototype passed all the tests for conductivity, density and corrosion resistance perfectly," reports Seiler.

Flexible bipolar polymer plates open the way for compact

2019/2/26Moreover, the innovative new bipolar plates can be welded together, so the resulting battery system is totally gas and liquid-tight. Conventional bipolar plates, by contrast, are unsuitable for welding due to the thermal and mechanical stresses on the material during manufacture.

V.D.5 Economical High Performance Thermoplastic Composite Bipolar Plates

PPS-based bipolar plates was found to be approximately 96 MPa, far exceeding the 59 MPa target. The tensile strength of the PPS-based wet-lay composite plates was measured using ASTM D638 with an Instron 4204. Tensile strengths of 57.5 MPa were

US Patent for Bipolar plate for PEM fuel cells Patent

2003/9/22Composite materials are composed of special plastics which include conductive fillers, e.g. based on carbon. WO 98/33224 describes bipolar plates made of ferrous alloys which include high proportions of chromium and nickel. GB-A-2 326 017 discloses bipolar

graphite

Both the basic model (NDPROP) and the degraded properties model (DCAP) have been shown to be capable of accurately predicting carbon-carbon composite material properties. DCAP, in particular, has been demonstrated to have the ability to model various CC materials with enough accuracy to permit reliable engineering studies of material performance with little or no experimental data. When

Flexible bipolar polymer plates open the way for

2019/3/1With bipolar batteries, on the other hand, the individual cells are plates which are arranged in compact form as a stack. The Fraunhofer Institute for Environmental, Safety and Energy Technology (Fraunhofer UMSICHT) is currently developing a new type of bipolar plate which is flexible and extremely thin and which allows bipolar batteries to be cost-effectively manufactured.

Development and Analysis of an Innovative Flat

2020/8/1bipolar plates (separators, according to a broad definition), totally to ca. 1/10 from the current level, without impairing cell performance For carbon composite plates, high throughput pro-duction processes and materials that promote high throughput are needed.

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