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Tesla

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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Australia’s biggest lithium-ion ESS to be paired with solar power generation

Tue, 09/24/2019 - 15:09 -- Paul Crompton
Australia’s biggest lithium-ion ESS to be paired with solar power generation

One of the world’s biggest lithium-ion battery systems paired with renewables is set to be deployed by The Solar River Project and GE Renewable Energy in South Australia.

GE has been selected to supply and integrate the 100MW/300MWh grid-scale battery technology hybrid system for the Solar River Project. 

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Tesla’s battery mastermind quits as CTO after 16 years

Mon, 07/29/2019 - 14:57 -- Paul Crompton
Tesla’s battery mastermind quits as CTO after 16 years

The mastermind behind electric vehicle and energy storage OEM Tesla’s battery technology, Jeffrey Straubel, has quit as the US company’s chief technology officer as of 24 July.

The announcement was made during a conference call with analysts that Straubel (pictured) would step down from his executive role after 16 years.

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Tesla rolls out battery software ‘update’ after fires

Thu, 05/23/2019 - 11:38 -- John Shepherd
Tesla rolls out battery software ‘update’ after fires

Tesla has confirmed it is releasing a batteries software update to all its Model S and X cars in the wake of recent high-profile fires.

A Tesla spokesperson told BEST Battery Briefing the company was “revising charge and thermal management settings via an over-the-air software update to help further protect the battery and improve battery longevity”.

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Musk hits out at Panasonic over Tesla battery supply

Thu, 04/18/2019 - 09:10 -- Hugh Finzel

Tesla CEO Elon Musk has blamed “lower-than-expected” battery manufacture from Panasonic for disrupting production of Tesla’s Model 3 electric vehicles (EVs).

Musk said in a post on Twitter that Panasonic’s battery cell lines at the ‘Gigafactory 1’ facility in Nevada amounted to about 24GWh per year— lower than the expected 35GWh— and had “been a constraint on Model 3 output since July (2018)”.

Musk added “Tesla won’t spend money on more capacity until existing lines get closer to 35GWh theoretical”.

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Tesla to acquire Maxwell Technologies

Mon, 02/11/2019 - 00:00 -- John Shepherd
Dr Franz Fink

Tesla is to acquire Maxwell Technologies, in a deal that values the California-based ultracapacitor firm at around US$218 million.

Maxwell said on 4 February the companies had entered into a definite merger agreement under which Tesla would buy the company's 45.9 million shares for $4.75 a share in an all-stock transaction. The deal represented a 55% premium to the share price, which closed at $3.07 on 1 February.

The merger is expected to be finalised in the second quarter of 2019 or shortly after, subject to the successful tender and exchange of shares, regulatory approvals and customary closing conditions.

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South Australia connects grid-scale BESS

Mon, 01/21/2019 - 00:00 -- John Shepherd
Dalrymple battery project

A new grid-scale battery energy storage system has entered into service in Australia to bolster power grid security across five of the country’s six states.

The 30-megawatt/8-megawatt-hour lithium-ion BESS in South Australia is owned and developed by transmission provider Electranet— and is adjacent to the company’s Dalrymple substation.

The ‘ESCRI’ (Energy Storage for Commercial Renewable Integration) BESS comprises Samsung rechargeable batteries integrated via invertors, controller and transformers from power company ABB. The system has a 12-year design lifetime.

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