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Tesla

Panasonic to boost energy density and develop cobalt free 2170 lithium-ion cells

Fri, 08/14/2020 - 09:53 -- Paul Crompton

Tesla’s long-term battery partner aims to increase the energy density of its 2170 cells by 20% within five years and commercialise a cobalt-free version within three years.

The bold claims by the head of Japan’s Panasonic’s US EV battery business, Yasuaki Takamoto, were reported by global news agency Reuters.

 

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Report outlines Tesla’s ‘secret’ Roadrunner lithium-ion battery plans for California

Wed, 07/01/2020 - 12:01 -- Paul Crompton

Tesla is planning to expand manufacturing capacity at its Freemont, California, facility to develop more ‘effective’ lithium-ion batteries and more efficient manufacturing technology.

Plans given to Freemont government back-up rumours of the US firm’s Roadrunner project that will support manufacturing, R&D operations— including cathode making— and the final step in cell manufacturing.

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Tesla signs three-year pricing and purchase volume deal with battery cell maker Panasonic

Wed, 06/24/2020 - 11:17 -- Paul Crompton

Tesla has signed a three-year pricing deal with Japan’s Panasonic Corp relating to the manufacture and supply of 2170 lithium-ion battery cells manufactured at its gigafactory in Nevada, US.

The electric vehicle and energy storage system maker made the announcement on 10 June.

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Mining and battery recycling firm AMBC hires former Tesla chemical engineer

Thu, 04/16/2020 - 11:54 -- Paul Crompton

Mining and lithium-ion battery recycling technology firm American Battery Metals Corporation (ABMC) has hired former Tesla engineer August Meng as its principal chemical engineer.

Chemical engineer Meng specialises in the design and development of thermochemical conversion based systems throughout the renewable energy and lithium-ion battery sector.

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Tesla in talks with CATL to use cobalt-free lithium-ion batteries in its China-made cars

Thu, 02/20/2020 - 14:40 -- Vic
Tesla lithium-ion cell- Simon Rudolf

Tesla is in advanced stages of talks to use cobalt-free lithium-ion batteries from Contemporary Amperex Technology Co Ltd (CATL) in cars manufactured at its China gigafactory.

If true, it would be the first time the US-based vehicle OEM has used lithium iron phosphate (LFP)— that omit the costly and controversial material— batteries in its lineup.

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Tesla side-steps long-term lithium-ion cell supplier to partner with LG Chem and CATL for its Gigafactory 3

Fri, 01/31/2020 - 10:32 -- Paul Crompton

Vehicle and energy storage firm Tesla has entered into a partnership with South Korea’s LG Chem and China’s CATL as it looks to secure a lithium-ion battery supply for its electric cars at its Gigafactory 3 plant in Shanghai.

Rumours that Tesla would move from its exclusive cell supplier Panasonic to meet demand at the China Gigafactory 3 first surfaced last August.

*UPDATE* CATL confirmed in a stock exchange filing on Monday, 3 February, it had signed a two-year battery supply agreement with Tesla, with the US firm determining the battery purchase volume. The deal starts this July and closes June 2022.

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Tesla and Glencore remain tight-lipped over cobalt supply deal for China gigafactory

Thu, 01/16/2020 - 14:55 -- Paul Crompton

Electric vehicle OEM Tesla has been in talks with Glencore in a bid to secure a cobalt supply chain for lithium-ion battery packs used at its China gigafactory, according to reports.

Swiss firm Glencore has been in negotiations for a long-term contract to ship cobalt to Tesla’s electric-vehicle factory in Shanghai, according to news outlet Bloomberg.

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Tesla files lithium-ion pouch cell patent aimed at the EV and energy storage markets

Mon, 01/06/2020 - 10:31 -- Paul Crompton

Tesla Motors Canada has filed a patent for a lithium-ion pouch cell containing ‘fewer operative, electrolyte additives’ with the potential to be used in energy storage applications including vehicle and grid-storage— Tesla’s key markets.

The new technology using a nickel manganese cobalt (NMC) chemistry was filed under the title ‘Dioxazolones and nitrile sulfites as electrolyte additives for lithium-ion batteries’.

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World’s biggest lithium-ion ESS set to get even bigger as Australia continues to embrace renewables

Wed, 11/20/2019 - 14:55 -- Paul Crompton

Just over two years since Tesla’s CEO Elon Musk announced a ground-breaking energy storage project, with the type of Twitter fanfare only he can muster, the world’s biggest lithium-ion system is about to get 50% bigger.

The 100MW/129MWh Hornsdale Power Reserve (deployed by Tesla in 100 days) in South Australia is being expanded by a further 50MW/64.5MWh as the state aims to transition to net 100% renewable energy generation in the 2030s. 

 

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Tesla patents ‘secret sauce’ additive but will ‘million mile’ lithium-ion cell reach commercialisation?

Thu, 10/03/2019 - 15:01 -- Paul Crompton

US electric vehicle OEM Tesla's latest patent suggests it has solved the failure issues of high operating temperatures and voltages in lithium-ion technology to make a battery that will last a ‘million miles’.

Tesla’s lead battery researcher Jeff Dahn and members of the Department of Physics and Atmospheric Science in Dalhousie University suggest their lithium-ion pouch cells have a 6,000 cycle life, or 20 years in grid energy storage applications. 

Chris Hale, from Upgradetech Engineers, told BEST: “Until I can hold in my hand a commercially produced cell capable of several thousand cycles, I will always remain sceptical."

Read his full analysis of the patent by signing up HERE to receive your BEST Battery Briefing next week.

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