- Testing reveals consistent performance improvement, exceeding 14%, versus graphite benchmark battery, with still no noticeable performance degradation [1].
“The test results continue to exceed our expectations [1],” said Dr.
MAINTAINING 14% BATTERY CAPACITY IMPROVEMENT FOR 25 CYCLES
The testing evaluates the performance of batteries composed of a 90% wt graphite and 10% wt Novacium's engineered SiOx blend, a material for which HPQ holds exclusive global licenses, comparing them to benchmark batteries with 100% graphite anode material.
The graph displayed below (Figure 1) showcases the capacity outcomes over the initial 25 testing cycles. The three blue lines depict the cycle performance of 18650 batteries comprised of 90% wt graphite and 10% wt Novacium's custom-engineered SiOx blend. Conversely, the three red lines illustrate the cycle performance of 18650 batteries utilizing a composition of 100% graphite.
Figure 1) Capacity during 25 cycles tests of HPQ and Novacium
Gen 1 18650 industrial battery [1].
As shown, the three batteries utilizing Novacium's custom-engineered SiOx blend demonstrated a high discharge capacity of approximately 3.18 Ampere-hours (Ah), outperforming the benchmark set by three comparison batteries with a capacity of 2.70 Ah over 25 cycles. This represents a 14% enhancement in the full-battery capacity of industrial-type batteries when compared to those with a 100% graphite anode, marking a significant milestone within the initial 25 cycles.
CAPACITY IMPROVEMENT WITHOUT DEGRADATION FOR 25 CYCLES
Figure 2 below displays the changes in capacity during the 0.5C cycle testing. The trio of blue lines depicts 18650 batteries composed of 90% graphite and 10% Novacium's custom-engineered SiOx blend. In contrast, the trio of red lines depicts 18650 batteries that are made entirely of graphite.
Figure 2) Capacity during 25 cycles tests of HPQ and Novacium
Gen 1 18650 industrial battery [1].
“Silicon's tendency to expand and contract during charging and discharging cycles often results in a notable loss of capacity when compared to graphite-based batteries,” added
NOVACIUM ENGINEERED SiOX MATERIAL AND THE HPQ SILICON INITIATIVE
The results obtained to date with a non-optimized version of Novacium's engineered SiOx material highlight the adaptability and compatibility of Novacium's methods and suggest the possibility of developing better-performing materials with broader industry applications. Central to HPQ’s Silicon Initiative is the goal of creating materials that can be seamlessly integrated into most existing battery manufacturing processes.
The commercial potential of this material will target various industrial applications, including energy storage systems, consumer electronics, and electric vehicles. To implement this, HPQ’s strategy is to commence production of this proprietary engineered SiOx anode material using cost-effective equipment and highly scalable processes already proven in a multi-ton-scale pilot manufacturing line. This approach should shorten the time to commercial scalability and enables the seamless integration of the anode material into existing electrode mixing and coating equipment. The resulting graphite and SiOx mixture will significantly enhance battery capacity and can be utilized without modification by large-scale gigafactories worldwide.
“I am profoundly encouraged by the results we've seen with the initial iterations of Novacium's engineered SiOx material,” said Mr.
REFERENCE SOURCES
[1] | Novacium technical team analysis of the data from the ongoing charging and discharging cycle tests conducted at a world-leading university, the name of which is kept confidential for competitive reasons. |
About NOVACIUM SAS
Novacium is an HPQ associated company started in Q3 2022. This green technology startup is based in
About
HPQ is developing, with the support of world-class technology partners PyroGenesis Canada Inc. and NOVACIUM SAS, new green processes crucial to make the critical materials needed to reach net zero emissions.
HPQ activities are centred around the following four (4) pillars:
- Becoming a green low-cost (Capex and Opex) manufacturer of Fumed Silica using the FUMED SILICA REACTOR, a proprietary technology owned by HPQ being developed for HPQ by PyroGenesis.
- Becoming a producer of silicon-based anode materials for battery applications with the assistance of NOVACIUM SAS.
HPQ SILICON affiliate NOVACIUM SAS is developing a low carbon, chemical base on demand and high-pressure autonomous hydrogen production system.- Becoming a zero CO2 low-cost (Capex and Opex) producer of High Purity Silicon (2N+ to 4N) using our PUREVAPTM “Quartz Reduction Reactors” (QRR), a proprietary technology owned by HPQ being developed for HPQ by PyroGenesis.
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Figure 1
Capacity during 25 cycles tests of HPQ and Novacium Gen 1 18650 industrial battery [1].
Figure 2
Capacity during 25 cycles tests of HPQ and Novacium Gen 1 18650 industrial battery [1].
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