EV Battery Innovations – New Anode/Cathode Chemistry, BMS, Nanotech for Electric Vehicle Batteries

To estimate the future of electric vehicles, it is necessary to estimate the future of electric vehicle batteries. Today in electric vehicles battery chemistry used is mainly Li_Ion and the 3 new promising technologies for future are Li- S, Li_Air and Zn_Air chemistries.  Here are a few companies which use innovative battery chemistry.


StoreDot, an Isreali nanotechnology startup, first demoed its “FlashBattery” technology in May 2017 – which promises to charge an electric car in just five minutes, providing up to 300 miles of range (depending on EV).

As a nanotechnology company, StoreDot focused on using novel organic compounds in place of chemicals found in lithium-ion batteries. In addition to providing hyper-fast charging, StoreDot projects EV FlashBattery which is environmentally safer than a standard lithium-ion battery, with a “friendlier” manufacturing process; contains materials that are “less flammable and more stable at high temperatures”  than those found in lithium-ion technologies; and is price-competitive with expectations for existing EV batteries.

The company expects its batteries to hit the market within the next three years (by 2020).


Toshiba first launched its rechargeable battery technology in 2008, dubbed SCiB; the original SCiB model utilized anodes made of lithium titanium oxide, which Toshiba provided better “safety, low-temperature performance, rapid charging, high input/output power, and larger effective capacity” than traditional lithium-ion batteries.

Lithium-ion batteries utilize graphite-based “anodes” (which are a part of the battery through which electrons pass). These graphite anodes have a limited capacity for storing the lithium ions that generate power as they move through the battery.

The original SCiB had seen wide adoption in EVs, as well as in industrial and infrastructure applications for railroad cars, elevators, power plants, and so on. One of its benefits is a very low risk of combustion from internal short-circuiting, such as from overcharging.

In 2017, Toshiba announced the next-generation SCiB with anodes made from a different material: titanium niobium oxide

The utilization of the new oxide material retains the benefits of the existing SCiB model, but is “much less likely to experience lithium metal deposition during ultra-rapid recharging or recharging in cold conditions.” That deposition can cause battery degradation.

Toshiba has developed a model to store Li-ion more efficiently in the new SCiB batteries, enhancing both power and battery life. The new SCiB retains 90% of its battery capacity even after 5,000 charging cycles, according to the company.

The new SCiBs give EVs a nearly 200-mile range after just six minutes of L3 charging.  Rather than an incremental improvement, this is a game changing advance that will make a significant difference to the range and performance of EV. Toshiba will continue to improve the battery’s performance and aims to put the next-generation SCiB into practical application in fiscal year 2019.


Samsung is going even further than 200 miles with the new battery innovation that it debuted at the Frankfurt Motor Show in September 2017. It has introduced a new “multifunctional battery pack” that can power electric cars for up to 430 miles.

New Approach to Electric-car Battery Cooling: Immerse Cells in Coolant

Regardless of how the vehicle is powered—whether it be an internal-combustion engine or a battery pack powering an electric motor—most power trains have a common enemy: heat. Hence Taipei-based XING Mobility has come up with an idea of “immerse cells in coolant”, where they have tested with  Miss R model as its battery cells need to rapidly discharge to generate its maximum quoted output of 1,000 kilowatts (1,341-horsepower).

The more rapidly you discharge a battery, the more heat it generates—and it has a solution to keep its fast-discharging battery pack cool.

Instead of snaking coolant through lines and chambers within the battery pack’s case, it  is taking a wholly different approach by immersing its cells in a non-conductive fluid with a high boiling point.

According to Charged EVs, the coolant is 3M Novec 7200 Engineered Fluid, “a non-conductive fluid designed for heat transfer applications, fire suppression and supercomputer cooling.”(Dec 2017 article)

“The use of Novec Engineered Fluids to immersion-cool EV batteries is a breakthrough application, addressing the critical performance needs of the market in a new and disruptive way,” the batteries molded in the form of 42 lithium-ion-cell modules that can be put together to build larger battery solutions. The complete battery houses 4,200 individual 18650 lithium-ion cells encased in liquid-cooled module packs and they have also planned to sell the battery solutions to other OEMs looking for energy storage solutions.

XING also plans to offer other off-the-shelf components for fledgling EV makers, such as torque-vectoring gearboxes, electric power kits, and magnetorheological dampers.

The company projects its Miss R model should be capable of sprinting to 100 kms/hr in 1.8 seconds, reaching 200 kms/hr in 5 seconds, and hitting a top speed of 270 kms/hr (168 mph).

 See also the blog posts:

Comprehensive Inputs on Indian EV Ecosystem

Check out the following sections for comprehensive inputs on Indian EV ecosystem (click on each section for more details)

Devising Your EV Strategy: White Paper from EAI.

Check out: EAI Consulting for Electric Mobility – Electric Vehicles, EV Components & EV Charging Infrastructure 

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Narasimhan Santhanam

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