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lithium-sulfur

Oxis blames COVID for having to suspend operations of its lithium-sulphur business

Mon, 03/01/2021 - 10:11 -- Vic

UK lithium-sulfur battery firm Oxis has ‘suspended operations’ including putting a halt on its $5 million ten-year contract with Yachts de Luxe (YdL) of Singapore.

The company cited COVID as a reason for the halt in production in operations, despite infection rates in the UK reaching a four-month low, and as the firm’s staff “gradually” returning to work.

However, the company told BEST it was continuing with operations at its Port Talbot, Wales, facility, which is due to start producing cathode and electrolyte to support the production of 500,000 lithium-sulfur cells this year. The Oxford-based firm's Minas Gerais Development Company Codemge project in Brazil "ought not be adversely affected".

Oxis said it is working with its board of directors on accessing short-term funding while it waits for investment funds— signed last year— to be received.

The company was unable to provide more information on its finances at this time. 

A statement to BEST read: “Due to the growing number of new COVID infections across the UK, Oxis board and management feel a responsibility to staff health-and-safety and continued business operations. 

“Following UK government guidelines in line with the UK National Lockdown, Oxis has decided to temporarily suspend operations until the COVID infection rates have reduced significantly according to the UK government. We shall operate with a skeletal number of staff to keep the essential functions running.”

An Oxis spokesman said: “Staff are gradually coming back to work. Oxis will be fully operational by April.

“Whilst work is continuing with the operation in Port Talbot, due to a skeletal staff, we felt that it was appropriate to temporarily halt the Yachts de Luxe project.“

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DOE researchers increase lithium-sulfur battery performance using silica cathodes

Thu, 09/10/2020 - 10:14 -- Paul Crompton

Researchers at U.S. Department of Energy’s (DOE) Argonne National Laboratory have found a polar, nonconductive cathode can increase the performance of lithium-sulfur batteries.

Using physical and electrochemical probes, the researchers discovered that under varying cycling rates and loadings, even at high current densities, a silica-based cathode showed better cycle-life in lithium-sulfur batteries.

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Lithium-sulfur battery developer Oxis hires cell production manager for UK plant

Tue, 05/19/2020 - 12:37 -- Paul Crompton

Lithium-sulfur battery technology company Oxis Energy has hired Scott Davis to manage cell production at its new manufacturing plant in Wales.

Davis will manage the Oxford-based firm’s new facility at Kenfig Hill near Port Talbot, which is due to start producing cathode and electrolyte to support the production of 500,000 lithium-sulfur cells next year.

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Oxis Energy and Codemge sign lease agreement to build world's first Li-S manufacturing plant

Tue, 05/12/2020 - 15:25 -- Paul Crompton

Oxis Energy and the Minas Gerais Development Company Codemge aim to have a 200MWh lithium-sulfur cell manufacturing plant operating in Brazil within three years after leasing a plant from Mercedes Benz Brazil (MBB).

The UK firm has signed a 15-year-lease agreement to take possession of a plant located at the MBB manufacturing site in Juiz de Fora, in the state of Minas Gerais, in south east Brazil.

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Scientists in China develop high-performance lithium-sulfur battery cathode

Wed, 04/22/2020 - 14:06 -- Paul Crompton

Scientists at the Dalian Institute of Chemical Physics (DICP) at the Chinese Academy of Sciences have developed a cathode they claim will increase the performance capabilities of lithium-sulfur batteries.

Teams led by professor Jian Liu (pictured) and professor Zhongshuai Wu have increased the catalytic activity and sulfur loading of lithium-sulfur batteries by using a mesoporous carbon nanoreactor decorated with Fe1-xS electrocatalyst nanoparticles (Fe1-xS-NC) as the cathode. 

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Oxis Energy marches toward 600Wh/kg lithium-sulfur goal after hitting another milestone

Thu, 01/23/2020 - 14:45 -- Paul Crompton

Lithium-sulfur company Oxis Energy continues to go from strength to strength with news this week its prototype cells have reached 471Wh/kg.

The company has been making incremental advances with the technology since announcing it had reached its 400Wh/kg milestone in 2016.

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Quantum leap for battery research as team use super computer to develop lithium-sulfur batteries

Fri, 01/10/2020 - 11:58 -- Paul Crompton

Researchers at IBM and vehicle OEM Daimler have used a quantum computer to help them design next-generation lithium-sulfur batteries.

Scientists used quantum hardware to calculate the dipole moment of three lithium-containing molecules for lithium hydride (LiH) using four qubits— a basic unit of quantum information— on IBM’s Q Valencia quantum computer.

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Oxis signs trading deal with Sanyo Trading to target Japan market with its lithium-sulfur technology

Fri, 11/22/2019 - 10:37 -- Paul Crompton

A trading partnership will see Sanyo Trading Company market UK battery developer Oxis Energy’s lithium-sulfur and battery systems in Japan.

Sanyo will target the motive markets­– such as trains, buses and trucks–and provide pre and post sales support to the Japanese market and where necessary.

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Researchers increase performance capabilities of lithium-sulfur cathode by 50%

Thu, 10/10/2019 - 15:37 -- Paul Crompton

Scientists from Singapore-based NanoBio Lab (NBL) have developed a means of making lithium-sulfur cathodes that increase specific energy and curbs capacity fade. 

The team began by building the carbon host before adding the sulfur source to obtain a 3D interconnected porous nanomaterial.

Image (from left) The NBL research team: Dr. Ayman Abdel Hamid, Jian Liang Cheong and professor Jackie Y. Ying

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Oxis Energy sealing battery R&D partnership with Ceetak

Mon, 02/11/2019 - 00:00 -- John Shepherd

Lithium-sulfur cells maker Oxis Energy has teamed up with heat-sealing technology firm Ceetak for an R&D project under the UK’s Faraday Battery Challenge.

Oxis is leading the £7 million (US$9.1m) Lithium Sulfur Future Automotive (LiSFAB) development project— funded by Innovate UK— to develop a next generation battery cell and module that will have “the significantly improved power and cycle life required by larger automotive applications”.

Ceetak said it is working with Oxis on developing “a specific test station to evaluate the different technologies to achieve the most robust and suitable pouch sealing process” for future battery cell production.

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