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Ampcera’s All-Solid-State Battery Technology Surpasses U.S. DOE’s Extreme Fast-Charging Goal of 80% Charge in 15 Minutes

Pioneering the Future of Fast-Charging All-Solid-State Batteries

Ampcera’s All-Solid-State Battery Technology Surpasses U.S. DOE’s Extreme Fast-Charging Goal of 80% Charge in 15 Minutes
Ampcera's All-Solid-State Battery Technology Achieves Fast 80% Charge in Less Than 15 Minutes

Charging profile (left) and capacity retention (right) of Ampcera?s ASSB pouch cells under repeated fast charging

Ampcera Inc., a pioneer in solid-state electrolyte manufacturing and next-generation solid-state battery development, announces that its all-solid-state battery (ASSB) technology has achieved a fast-charging milestone of 0 to 80% state of charge (SOC) in under 15 minutes at a peak C-rate of 4C. This advancement demonstrates the fast-charging potential of ASSB – a key requirement for the widespread adoption of electric vehicles (EVs).

Ampcera’s ASSB technology, which comprises IP-protected sulfide solid-state electrolyte materials, is engineered for extreme fast charging. A high-capacity NMC cathode and a silicon-based anode are used to achieve a high energy density goal of 400 Wh/kg. The ASSB is devoid of any liquid or semi-solid electrolyte ensuring the highest levels of battery safety, which is particularly crucial during rapid charging cycles. Lab-scale pouch cells exhibited less than 5% capacity decay after 300 cycles of repeated fast charging (4C peak C-rate) demonstrating the potential for a long cycle life of greater than 1000 cycles in commercial cells once fully developed.

“Ampcera’s high-performance solid-state electrolyte materials have propelled ASSB technology beyond the U.S. Department of Energy (DOE)’s ambitious fast-charging benchmark of achieving an 80% charge in under 15 minutes,” said Sumin Zhu, Co-Founder and CEO of Ampcera Inc. “Our primary objective is to introduce a commercially viable fast-charging ASSB technology that addresses consumer charge anxiety caused by extended wait times at charging stations.”

The mounting concern regarding prolonged wait times at public charging stations, particularly in urban areas with limited at-home charging options, has significantly heightened charge anxiety among current and potential EV owners hindering widespread adoption. Ampcera is committed to tackling this critical challenge by advancing plans to develop and commercialize its fast-charging ASSB technology through strategic partnerships with industry leaders.

Last year, Ampcera was awarded a $2.1 million grant from the U.S. DOE’s Advanced Research Projects Agency-Energy (ARPA-E) as part of the EVs4ALL program. This grant underscores Ampcera’s commitment to advancing the development and commercialization of all-climate, fast-charging ASSB technology in collaboration with key industry partners, including a major U.S. automaker. It’s noteworthy that achieving an 80% charge in 15 minutes or less is considered an extreme fast-charging goal for lithium batteries, as outlined by both the United States Advanced Battery Consortium (USABC) and the U.S. DOE.

About Ampcera Inc.

Ampcera is a U.S.-based innovator and global leader in the development and commercialization of solid-state electrolyte materials and scalable manufacturing processes for next-generation solid-state batteries. With over 25 U.S. and international patents and patent applications safeguarding our core technologies, we continue to lead the charge toward a sustainable energy future. Discover more about Ampcera's groundbreaking innovations at

Contact Information:
Sumin Zhu
Co-founder and CEO
[email protected]

Original Source: Ampcera’s All-Solid-State Battery Technology Surpasses U.S. DOE’s Extreme Fast-Charging Goal of 80% Charge in 15 Minutes

duPont REGISTRY Group Welcomes Colleen Cash as President of Sotheby’s Motorsport and Chief Digital Officer of duPont REGISTRY Group

duPont REGISTRY Group Welcomes Colleen Cash as President of Sotheby’s Motorsport and Chief Digital Officer of duPont REGISTRY Group
Collen Cash

New President of Sotheby's Motorsport and Chief Digital Officer of duPont REGISTRY Group

duPont REGISTRY Group, the trailblazer in the luxury and exotic automotive ecosystem, and RM Sotheby’s, the world’s largest auction house by total sales, announce the appointment of Colleen Cash as President of Sotheby's Motorsport and Chief Digital Officer of duPont REGISTRY Group, a dual position that will allow her to build a cohesive experience for both platforms. This marks a significant milestone in duPont REGISTRY Group's commitment to elevating the luxury automotive marketplace.

Colleen Cash will play a pivotal role in knitting together a cohesive experience across all ecosystems within Sotheby's Motorsport and duPont REGISTRY Group.

“Colleen will be a tremendous asset to our team,” said Antoine Tessier, CEO of duPont REGISTRY Group. “Her unique insight into the consumer and luxury markets will be vital as we transform our ecosystem through new product development and digital expansion and truly deliver on being the one-stop shop for the ultimate luxury car experience.”

With over a decade of expertise, Colleen Cash stands as a seasoned senior executive. Her specialized focus lies in optimizing secondary markets and online marketplace models, with knowledge spanning the realms of fine art, collectibles, and luxury goods.

"I am honored to accept these tremendous positions and embark on this exciting journey to redefine the luxury automotive marketplace," says Cash. “My vision is to enhance the digital experience, weaving together the best of all we are delivering, while connecting clients to the story behind each luxury vehicle."

As the former Senior Vice President of Marketplace at Artnet, Colleen orchestrated a comprehensive overhaul of the Auctions and Galleries divisions. Under her leadership, the team achieved unparalleled milestones, setting new records in revenue, profitability, and audience expansion. 

“Her extensive background in sales and revenue, coupled with a keen understanding of the audience lens, positions Colleen to shape the digital storefront experience of our group,” adds Bryon Madsen, President of RM Sotheby’s. 

For media inquiries, please contact:

[email protected]


duPont REGISTRY Group is the epitome of the high-end automotive lifestyle, bringing together culture, community, and commerce. duPont REGISTRY Group is a vibrant community of automotive enthusiasts. Its portfolio includes duPont REGISTRYSotheby’s MotorsportCanossa EventsCavallino, and FerrariChat.

RM Sotheby’s is the world’s leading collector car auction house. RM’s vertically integrated range of services, from auctions and private sales to estate planning and financial services, provides an unsurpassed level of service to the global collector car market. RM Sotheby’s is currently responsible for the most valuable motor car ever sold at auction.

Sotheby’s Motorsport, a distinguished division of the renowned Sotheby's brand, is a premier destination for automotive enthusiasts and collectors alike. Dedicated to the passion and artistry of automotive design, Sotheby’s Motorsport offers a unique platform for buyers and sellers to engage in the world of high-performance and classic automobiles. 


Contact Information:
Antoine Tessier
[email protected]

Original Source: duPont REGISTRY Group Welcomes Colleen Cash as President of Sotheby's Motorsport and Chief Digital Officer of duPont REGISTRY Group

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