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Neo Battery Materials Ltd
Symbol NBM
Shares Issued 115,657,506
Close 2024-08-13 C$ 0.14
Market Cap C$ 16,192,051
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Neo Battery talks NBMSiDE battery capacity retention

2024-08-13 17:25 ET - News Release

Mr. Spencer Huh reports

TECHNICAL UPDATE: NEO BATTERY ADVANCES SILICON ANODE TECHNOLOGY WITH EXTENDED BATTERY CAPACITY PERFORMANCE

Neo Battery Materials Ltd. has made technological advancements in the company's silicon anode technology -- longer battery capacity retention while sustaining low costs. Neo's engineering team successfully modified the properties of existing additives to achieve the two-way coating enhancements. The new coating methods are simple yet feasible and employ widely used additives to maintain low manufacturing costs. Implementation improves critical battery cell performance metrics: (i) longer capacity retention; (ii) higher, steady coulombic efficiency (a measure of capacity retention); and iii) faster-charging rates.

Coulombic efficiency is the foremost metric that determines capacity retention in battery cycling tests. Neo's silicon anode, NBMSiDE, demonstrated record-high coulombic efficiency levels that meet or exceed industry standards and similar commercial products. This result demonstrates the product's potency in full cell designs based on pure 100-per-cent silicon or silicon-graphite mixture anodes. With optimism in advancements, Neo is reproducing and optimizing the product for the subsequent phases of NBMSiDE commercialization.

Spencer Huh, director, president and chief executive officer of Neo, commented: "We are highly proud of Neo's engineering team and enthusiastic about the results achieved with our NBMSiDE products. Incremental improvements are leading to performance milestones. This year, we plan to reach new technology highs with silicon-graphite anodes and in full cells. Additionally, our team has initiated recycled silicon evaluations with Lotus Energy and Innox eco-M products."

The two-way coating enhancement also enables NBMSiDE to be compatible with carbon-based (carbonaceous) materials. This implies that silicon-carbon composite (Si-C) and silicon-graphite anode development are now feasible for full cell designs. Due to mounting working partner and industry demand, Neo Battery Materials will release a new Si-C anode product into the NBMSiDE portfolio, with sample tests to be conducted soon.

Two-way coating enhancement -- technical details

The first coating enhancement extensively utilizes the advantages of polymer characteristics to maximize the polymer coating processibility. This further stabilizes the silicon surface during volume expansion in battery cycling tests. Intensely prohibiting adverse side reactions (irreversible lithium consumption) on the silicon surface also suppresses anode delamination from the current collector. As a result, battery cell performance is directly improved with enhanced coulombic efficiency and rate capability levels with reasonable overall specific capacity.

The second coating enhancement deploys additional protective layers on the silicon surface. Like the first enhancement, the additional layers suppress adverse side reactions in which lithium ions are consumed on the silicon surface. The layers also add mechanical strength to hamper rapid anode delamination. This coating method has exhibited increased coulombic efficiencies with prolonged capacity retention.

R&D (research and development) scale-up centre -- government-certified corporate research institute

In July, the South Korean Ministry of Science, Information and Communication Technology (MSIT), through the Korean Industrial Technology Association (KOITA), has certified Neo's R&D scale-up centre as a recognized corporate research institute. Along with the venture enterprise certification, this governmental certification enables NBM Korea to receive various governmental support, including benefits in national R&D projects, intellectual property rights programs, and government grants and funding. This certification will help nurture a highly effective environment for R&D and commercialization.

About Neo Battery Materials Ltd.

Neo Battery Materials is a Canadian battery material technology company focused on developing silicon anode materials for lithium-ion batteries in electric vehicles, electronics and energy storage systems. With a patent-protected, low-cost manufacturing process, Neo Battery enables longer-running and ultrafast-charging batteries compared with existing state-of-the-art technologies. The company aims to be a globally leading producer of silicon anode materials for the electric vehicle and energy storage industries.

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