In terms of research progress among vehicle manufacturers, Toyota Motor is
in a leading position with its strong technical experience accumulation: In
September 2018, Toyota disclosed the framework of its all-solid-state battery
and plans to achieve commercialization in the early 2020s.
The foundation of Toyota's all-solid-state batteries is technology that
reduces the internal resistance of solid-state batteries. With this technology,
Toyota has increased the energy output density (by volume) of all-solid-state
batteries to approximately 2.5kW/L. At the same time, the energy density was
successfully increased to 400Wh/L, which is twice the energy density of
lithium-ion (Li-ion) batteries produced around 2010.
But the performance of Toyota's current all-solid-state batteries is far
inferior to existing lithium-ion batteries. Therefore, Toyota is working hard to
improve the performance of solid-state batteries so that they can be
commercialized as soon as possible.
South Korea:
Korean companies choose to team up to develop solid-state battery
technology:
It was reported in November 2018 that South Korea's three major battery
manufacturers LG Chem, Samsung SDI and SKI will jointly develop solid-state
batteries, lithium metal batteries and lithium-sulfur batteries. In addition,
they will establish a 100 billion won (approximately US$90 million) Fund to
build the next generation battery industry ecosystem.
Samsung SDI has already exhibited solid-state batteries and battery modules
based on 21700 cylindrical cells at the 2017 North American Auto Show; LG Chem
itself also has plans for the research and development of solid-state
batteries.
Vehicle manufacturer Hyundai Motor chose to invest in a materials
technology company, Ionic Materials, a start-up solid-state battery materials
company located in Massachusetts, to lay out solid-state batteries and promote
the development of battery technology. Industry insiders revealed that Hyundai
is conducting research and development of solid-state batteries through the
battery R&D team under the Namyang R&D Center. It has achieved a certain
technical level and is expected to achieve mass production of solid-state
batteries in 2025.
Germany:
The German government has provided financial support for solid-state
battery research and development.
According to foreign media reports, in order to reduce the dependence of
German car companies on battery suppliers from China, Japan and South Korea,
German Chancellor Merkel will plan to allocate 1 billion euros to support a
battery manufacturer in Germany and will also fund a battery research and
development institution. For the development of next-generation solid-state
batteries.
BMW: On the one hand, BMW is building its own battery cell R&D center
to develop solid-state battery technology and is expected to achieve a
breakthrough in solid-state batteries in 2026 and then mass-produce it. On the
other hand, BMW is also actively cooperating with Solid Power on solid-state
batteries to rapidly improve its battery research and development
capabilities.
Volkswagen: The veteran automobile manufacturer Volkswagen has previously
announced that it plans to independently produce solid-state batteries. Mass
production may begin in 2024 or 2025, and the factory may be built in Europe or
Germany. In addition, Volkswagen also received permission from the Committee on
Foreign Investment in the United States (CFIUS) to invest US$100 million in the
battery technology company QuantumScape, becoming the largest shareholder of
QuantumScape and increasing its stake. QuantumScape has more than 200
solid-state battery technology patents and patent applications, which will
provide strong assistance to the public in the research and development of
solid-state batteries. The goal is to establish a solid-state battery production
line by 2025.
USA:
In October 2018, Fisker announced that its new solid-state lithium battery
takes only 9 minutes to charge and will be mass-produced. Since then, the
company's solid-state battery technology has received investment from heavy
machinery manufacturer Caterpillar, but the specific amount of investment has
not been disclosed. Fisker said the patent-pending Fisker flexible solid-state
battery costs less than $100 per kilowatt hour and can be used in the
construction, energy storage, transportation and mining industries.
Commercialization is expected to occur between 2018 and 2033.
U.K:
In October 2018, Ricardo announced that it would cooperate with 4
institutions/enterprises to carry out the PowerDrive Line project, with the
purpose of establishing a pre-test line for solid-state batteries and developing
processes for the solid-state battery material supply chain.
Project partners include Ilika technologies, the British Center for Process
Innovation, Honda R&D Europe and University College London.
Australia:
In October 2018, Australia's Magnis Resources Limited announced that its
partner C4V (Charge CCCV) had produced a prototype of a solid-state battery. The
prototype battery capacity is currently 380Wh/kg and 700Wh/L, and is expected to
be further optimized to 400Wh/kg and 750Wh/L. The new battery reduces production
costs and eliminates the need for cobalt metal, reducing constraints.
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