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70% Pt/C (platinum on carbon) is a high-loading electrocatalyst designed for PEM fuel cells, featuring

platinum supported on carbon black (such as KetjenBlack). It optimizes membrane electrode assembly (MEA) performance by providing high active site density, reducing catalyst layer thickness, and enabling efficient mass transfer.

Performance: Superior compared to lower loading catalysts due to an optimal, thinner catalyst layer (CL), which enhances oxygen reduction reaction (ORR) efficiency.
Structure: Typically uses high surface area supports like KetjenBlack EC-300J.
Properties: Pt/C with high platinum density can have a slightly lower electrochemical surface area (
$cap E cap S cap A$
) (
) compared to 20% Pt/C (
) due to higher particle size (
).
Applications: Used in hydrogen fuel cell anodes and cathodes, as seen with products such as this 70% Pt/C from Fuel Cell Store.
Optimization: While increasing Pt load improves kinetics, the electrode layer requires high porosity to avoid flooding.

XT 70% Platinum on KetjenBlack EC-300J Grade T
XT 70% Platinum on KetjenBlack EC-300J Grade T manufactured by Fuel Cells ETC is a fine powder that can be used as an electrocatal...
Fuel Cell Store
Effective factors improving catalyst layers of PEM fuel cell
Jun 7, 2018 — Increasing Pt load from 0.4 to 1.2 mg/cm2, improved kinetic activity at low current density region in both feeding conditions. Sca...
ScienceDirect.com
Improved PEM fuel cell performance with hydrophobic catalyst ...
Oct 4, 2018 — In this paper, a commercial catalyst having 48 wt % Pt/C, which is widely used regarding 70% or 20% Pt/C in PEMFC researches was s...
ScienceDirect.com

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Pints to Cups Conversion (pt to c)

Inch Calculator

https://www.inchcalculator.com › ... › Volume › Pints

Inch Calculator

https://www.inchcalculator.com › ... › Volume › Pints

There are 2 cups in a pint, which is why we use this value in the formula above. 1 pt = 2 c. Pints and cups are both units used to measure volume. Keep reading ...Read more

Web results

Convert 70 Pints to Cups

DollarTimes

https://www.dollartimes.com › calculate › volume › 70

DollarTimes

https://www.dollartimes.com › calculate › volume › 70

Metric conversions 70 pt to c. How many cups are in 70 pints? Volume. From ... Conversion chart from pt to c. Note: results are rounded. 70.00 pt = 140 c.Read more

Conversion pint US (pt) to cup (c)

conversionunites.com

https://www.conversionunites.com › converter-pint-us-to...

conversionunites.com

https://www.conversionunites.com › converter-pint-us-to...

Table or conversion table pt to c ; 68 pt(s), 128.70400083049 c(s) (129) ; 69 pt(s), 130.59670672506 c(s) (131) ; 70 pt(s), 132.48941261962 c(s) (132) ; 71 pt(s) ...Read more

70% Pt/C

Hfsinopower.com

https://www.hfsinopower.com › 70-ptc

Hfsinopower.com

https://www.hfsinopower.com › 70-ptc

Customized 70% Pt/C at factory price from Hfsinopower.com. We are best 70% Pt/C supplier, focus on hydrogen production equipment manufacture many years!

Classifying Ignitible Liquids Using NFPA 30

National Fire Protection Association (NFPA)

https://www.nfpa.org › blogs › 2024/04/17 › what-is-an-...

National Fire Protection Association (NFPA)

https://www.nfpa.org › blogs › 2024/04/17 › what-is-an-...

Apr 17, 2024 — Learn the difference between combustible and flammable when it comes to ignitible liquids.

Phenylthiocarbamide

Wikipedia

https://en.wikipedia.org › wiki › Phenylthiocarbamide

Wikipedia

https://en.wikipedia.org › wiki › Phenylthiocarbamide

About 70% of people can taste PTC, varying from a low of 58% for Indigenous Australians and indigenous peoples of New Guinea to 98% for indigenous peoples of ...Read more

Improved PEM fuel cell performance with hydrophobic ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by GS Avcioglu2018Cited by 40 — In this paper, a commercial catalyst having 48 wt % Pt/C, which is widely used regarding 70% or 20% Pt/C in PEMFC researches was studied. While low Pt content ...Read more

Chapter 131. BOILERS AND PRESSURE VESSELS ...

Maine Legislature (.gov)

https://www.mainelegislature.org › legis › statutes

Maine Legislature (.gov)

https://www.mainelegislature.org › legis › statutes

PDF

Oct 20, 2025 — 70, Pt. C, §1 (RP).] 2. Authorized inspector. "Authorized inspector ... The passing grade on any examination may not be less than 70%.Read more

15 pages

Images

High Purity Pt/C Catalyst for Fuel Cells & Hydrogen Production - Durable, High Activity, 20%-70% Pt Loading - AliExpress 1420

PEMFC performance of Pt/graphene and Pt/C catalyst-based ...

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CONVERSION CHART - Shamrock Foods

shamrockfoodservice.com

https://www.shamrockfoodservice.com › 2018/02

shamrockfoodservice.com

https://www.shamrockfoodservice.com › 2018/02

PDF

gal. = qt. = pt. = cups = fl. oz. = L = Tbsp. = tsp. 1 gal. 4 qt. 8 pt. 16 cups 128 fl. oz. 3.8 L. 1/2 gal. 2 qt. 4 pt. 8 cups 64 fl. oz. 1.89 L. 1/4 gal.Read more

18 pages

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