Chinese
français
Deutsch
italiano
español
português
Nederlands
日本語
한국의
Dany Huang
- Home
- >
Company
- >
Experts
- >
Dany Huang
Education
Graduated from the School of Metallurgy, Central South University, and completed doctoral studies at the university. Central South University is one of China's principal research centres for metallurgy and new-energy materials, with long-standing work on electrode materials and energy storage. His research association with the university continues today: his 2026 JOM paper on sodium-ion cathode materials was published under the affiliation of the School of Materials Science and Engineering, Central South University.
Career Timeline — over 20 years in battery engineering
-
2002 – 2006
Battery plant engineering, focused on pouch cell materials development, battery technology R&D and manufacturing processes.
-
2007 – 2008
Battery plant engineering, focused on cylindrical cell materials development, battery technology R&D and manufacturing processes.
-
2009 – 2010
Battery plant engineering, focused on large aluminium-shell (large prismatic) cell materials development and manufacturing processes.
-
2010 – 2012
Worked at Shenzhen TOB, covering battery materials development, technology R&D and manufacturing process optimisation across cell formats.
-
2012 – present
Founded XIAMEN TOB NEW ENERGY TECHNOLOGY Co., Ltd. and has served as CEO, leading company operations and equipment development.
Academic Publications — peer-reviewed research
Alongside his engineering work, Dany Huang publishes peer-reviewed research on battery materials and battery safety. Both papers below are independently verifiable through their DOI.
Zhengyao Huang (first author), Jing Li, Yuhan Zhou, Min Zhao, Chuanman Tan, Xiyuan Jiang, Haifeng Wang, Bingfeng Wang, Hanbing He
O3-type layered oxides are among the most promising cathode materials for sodium-ion batteries, but suffer from crystal structure collapse during repeated sodium insertion and extraction. This study proposes a solid-solution-based B-Co-Cu ternary co-doping strategy for Na[Ni1/3Fe1/3Mn1/3]O2, and resolves the synergistic mechanism of the three dopants using XRD, TEM, XPS, GITT and electrochemical testing.
- ▸Mechanism: interstitial B stabilises the oxygen sublattice through covalent BO3/BO4 networks; Co compresses the transition metal layer to optimise electron transport; Cu introduces multivalent Cu2+/Cu3+ states that add capacity and widen Na+ diffusion channels.
- ▸Optimal composition NNMFO-B0.07-Co0.05-Cu0.03: initial discharge capacity 129.4 mAh g−1 at 0.2C (4.6% above undoped), reversible 99.0 mAh g−1 at 5C (24.8% above undoped).
- ▸Cycling: 93.60% capacity retention after 100 cycles and 78.49% after 300 cycles at 1C.
- ▸Kinetics: Na+ diffusion rate increased 9.48%; electronic conductivity raised from 0.024 to 0.027 S/cm; the O3–P3 phase transition shifts from an abrupt two-phase reaction to continuous solid-solution-like behaviour, suppressing intergranular microcracks.
Zhengyao Huang (sole author) — Guangdong Purui Teco Environmental Technology Co., Ltd.
A systematic analysis of how overcharging induces thermal runaway in lithium-ion cells, examining charging current, ambient temperature, cell capacity, DC/AC impedance, and the thermal stability of cathode, anode, separator and electrolyte materials.
- ▸Critical temperature window: no overcharge-induced thermal runaway below 160 °C; runaway occurs above 165 °C — establishing 160–165 °C as the critical range, with 160 °C adopted as the design threshold.
- ▸State of charge governs onset: insulation thermal-runaway temperature falls from 181.1 °C at 0% SOC to 110.2 °C at 100% SOC.
- ▸Anode heat generation rises from 110.2 J/g at 0% SOC to 469.4 J/g at 100% SOC, confirming the SEI layer's protective role.
- ▸Capacity effect: heat generated per unit capacity rises with cell capacity — 617.6, 826.4 and 1,096.7 J/(A·h) for 2.0, 3.6 and 4.8 A·h cells at 25 °C.
- ▸Peak severity: maximum recorded temperature 568 °C at a heating rate of 17.6 °C/min.
Patent Portfolio — 55 Chinese patents (as of Sep 2026)
Granted Invention Patents (5)
Invention patents undergo substantive examination by CNIPA, a materially higher bar than utility models. These five represent the core of the portfolio.
- CN101436654B — High-Safety, High-Power Lithium Iron Phosphate (LFP) Battery Shenzhen Wisewod
- CN101425605B — High-Power Lithium-Ion Cell with NCM Cathode Shenzhen Wisewod
- CN101399324B — Pressure-Adjustable Safety Vent for Lithium-Ion Cells Shenzhen Wisewod
- CN108793160B — Preparation Method for Defluorination-Active Carbon Material Purui Taike
- CN108355479B — Fluorine-Containing Gas Purification and Recovery System with Defluorination Method Purui Taike
Battery Production Equipment (16)
Held by XIAMEN TOB NEW ENERGY TECHNOLOGY Co., Ltd. — covering the full electrode line from mixing and feeding through coating, calendering, slitting, winding, sealing and sorting.
- CN215610864U — High-Efficiency Large-Capacity Mixer for Battery Raw Materials TOB
- CN215506637U — Large-Scale Material Feeding Device for Battery Slurry Mixers TOB
- CN215542414U — Lithium Battery Electrode Coating Machine with Continuous Slurry Feeding TOB
- CN215612935U — Height-Adjustable Heating Unit for Lithium Battery Coating Machines TOB
- CN215429971U — Laboratory-Scale Battery Electrode Coating Machine TOB
- CN215430810U — Lithium Battery Electrode Roller Press (Calender) TOB
- CN215696773U — Structurally Reinforced Lithium-Ion Battery Electrode Roller Press TOB
- CN215543717U — Electrode Dust and Iron Removal Unit for Lithium Battery Roller Presses TOB
- CN215432708U — Lithium Battery Electrode Cutting Machine with Integrated Cleaning Structure TOB
- CN215549102U — Electrode Slitting Device for Battery Production TOB
- CN215600399U — Electrode Winding Machine for Battery Production TOB
- CN221343111U — Forming Device for Lithium Battery Composite Film Production TOB
- CN215451488U — Sealing Device for Battery Production TOB
- CN215451487U — Battery Sealing Machine with Interchangeable Sealing Head TOB
- CN215656472U — Battery Cell Sorting Machine with Anti-Clogging Device TOB
- CN215587201U — Battery Cell Sorting Machine for Production Lines TOB
Dry-Process Electrode Manufacturing (4)
Dry electrode processing removes the solvent, drying oven and solvent-recovery stages of conventional wet coating. Its principal engineering obstacle is dispersion uniformity: without a liquid medium, active material, conductive agent and PTFE binder are difficult to mix evenly, and any non-uniformity propagates into areal density variation, localised resistance and reduced cycle life. These four patents cover the route end to end.
-
CN219193253U — Material Feeding Structure for Dry Electrode Film Production, with Uniform Raw-Material Mixing Tobey Chen & Dany Huang
Stage 1 — raw-material feeding & mixing uniformity -
CN218887233U — Dry-Process Electrode Film Roll Forming Machine for Lithium Batteries Tobey Chen & Dany Huang
Stage 2 — self-supporting film roll forming -
CN218887274U — Dry Electrode Film Lamination and Stretching Mechanism for Lithium Batteries Tobey Chen & Dany Huang
Stage 3 — lamination & stretching -
CN118315678A — Dry-Process Electrode Film Forming and Substrate Lamination Production Line for Lithium-Ion Batteries Individual
Stage 4 — full production line integration
Cell Design & Cathode Materials (4)
High-rate and high-power cell chemistry and safety structures, from the earlier phase of his career.
- CN1819321A — High-rate lithium-ion battery (dry-powder premixing of active material and conductive agent) Shenzhen Liduowei
- CN101436654B — LiFePO₄ safety high-power lithium-ion battery Shenzhen Wisewod
- CN101425605B — NCM high-power lithium-ion cell Shenzhen Wisewod
- CN101399324B — Pressure adjustable safety valve for lithium-ion cell Shenzhen Wisewod
Battery Materials & Process Environmental Control (14)
Manganese sulphate purification for cathode precursors, plus the fluorine and dust control processes that sit alongside it. Fluorine handling is intrinsic to lithium battery chemistry — LiPF₆ electrolyte hydrolyses to HF, and cathode sintering releases fluorine-bearing gas — so defluorination and precursor purification belong to the same production chain.
- CN220677807U — Reactor for Manganese(II) Oxide (MnO) Preparation Purui Taike
- CN220459960U — Solvent Extraction and Separation Equipment for Manganese Sulfate Solution Purui Taike
- CN220677764U — High-Temperature Crystallization Reactor for High-Purity Manganese Sulfate Purui Taike
- CN220459957U — Defluorination Equipment for High-Purity Manganese Sulfate Production Purui Taike
- CN220677868U — Impurity Separation Device for High-Purity Manganese Sulfate Refining Purui Taike
- CN108793160B — Preparation Method for Defluorination-Active Carbon Material Purui Taike
- CN108355479B — Fluorine-Containing Gas Purification and Recovery System Purui Taike
- CN208054987U — Electrochemical Defluorination Device Purui Taike
- CN222312821U — Deep Electrochemical Defluorination Equipment Purui Taike
- CN208660805U — Fluoride-Containing Waste Gas Treatment Unit Purui Taike
- CN208212887U — Fluorine-Containing Gas Purification and Recovery System Purui Taike
- CN208200684U — Heavy Metal Ion Removal Device Purui Taike
- CN208244389U — High-Efficiency Dust-Laden Gas Treatment Equipment Aketao Kebang
- CN208260424U — Dust-Laden Gas Treatment Equipment with Integrated Wastewater Handling Aketao Kebang
Broader Industrial Process Engineering (13)
Hydrometallurgy, industrial wastewater and off-gas treatment carried out for other companies. These sit outside battery production, but the underlying electrochemical separation and process engineering methods are the same discipline applied at industrial scale.
- CN113930806A — Dechlorination and Chlorine Recovery Process for Wet-Process Zinc Electrowinning Purui Taike
- CN110156068A — Comprehensive Recovery Process for Zinc Smelting Waste Acid Purui Taike
- CN210974167U — Deep Dechlorination Device for Chlorine-Containing Zinc Electrolyte Purui Taike
- CN215626971U — Electrochemical Dechlorination Device Purui Taike
- CN210206154U — Dechlorination Equipment Purui Taike
- CN210206376U — Chlorine-Containing Off-Gas Treatment Device Purui Taike
- CN210915606U — Adsorption–Desorption Device for Chloride Ion Removal from Chlorine-Containing Wastewater Purui Taike
- CN215627334U — Ozone Electrochemical Catalytic Oxidation Device for Refractory Organics Purui Taike
- CN221275337U — Integrated Photo-Electrocatalytic Oxidation Equipment for Refractory Industrial Wastewater Purui Taike
- CN223073995U — Subcritical Catalytic Separation Device for Industrial Wastewater Treatment Purui Taike
- CN220845674U — Electrocatalytic Oxidation Equipment for Landfill Leachate Purui Taike
- CN208032322U — UV-Catalytic Organics Removal Equipment Purui Taike
- CN109078607A — Preparation Method for Rare-Earth Composite Alumina Spheres Purui Taike
Process Plant & Auxiliary Equipment (4)
General process equipment developed for materials production facilities.
- CN208131169U — Ball Mill Aketao Kebang
- CN208012358U — Rotary Kiln Purui Taike
- CN208032006U — Filter Press Device Purui Taike
- CN208130678U — Emission Control Equipment Purui Taike
A note on patent titles and terminology
The English titles shown on Google Patents and in the CNIPA public database are machine-generated from the Chinese originals and are not reviewed technical translations. Several render Chinese terms literally in ways that carry a different meaning in English engineering usage. The titles listed on this page therefore use standard industry English. Each patent number links to its official record, where the original machine-translated title can be verified.
| pole piece | electrode / electrode sheet — pole piece normally denotes a magnetic pole piece in motors |
| charging structure | material feeding structure — charging in a battery context means electrical charging |
| separator / sorter | cell sorting machine — separator in a battery context means the porous membrane between electrodes |
| membrane | dry electrode film — a self-supporting active-material film, not a separator |
| roll squeezer | roller press / calender |
| high multiplying factor | high-rate (C-rate) |
| ferric phosphate lithium | lithium iron phosphate (LFP) |
| nickel-cobalt lithium manganate | lithium nickel cobalt manganese oxide (NCM) |
Example: CN215656472U appears on Google Patents as "Battery separator with prevent stifled device". The Chinese specification describes a cell sorting machine that measures internal resistance and grades cells — it has no relation to separator membranes.
Technical Focus
- ▸Dry-process (solvent-free) electrode manufacturing — a four-patent chain covering raw-material mixing uniformity, film roll forming, lamination stretching and full substrate-composite line integration
- ▸Electrode coating, calendering and slitting equipment design
- ▸Cathode material systems — LiFePO₄, NCM, high-rate formulations
- ▸Sodium-ion battery cathode materials — O3-type layered oxides and multi-element co-doping (B-Co-Cu ternary system, published in JOM, 2026)
- ▸Battery safety and thermal runaway — overcharge-induced runaway thresholds and heat-resistance design
- ▸Battery plant layout, process design and project delivery
- ▸Manganese sulphate precursor purification and process fluorine control
In His Words
"Battery equipment is not a catalogue purchase. The right machine depends on your cell design, your target output and the process window you can actually hold in production. That conversation has to start with engineering, not with a price list."
Frequently Asked Questions
What are Dany Huang’s main research directions?
Two active research lines, both with published output. First, sodium-ion cathode materials — specifically O3-type layered oxides and multi-element co-doping to prevent crystal structure collapse during repeated sodium insertion and extraction. Second, lithium-ion battery safety — overcharge-induced thermal runaway thresholds and heat-resistance design. In parallel, his patent work concentrates on dry-process (solvent-free) electrode manufacturing and battery production equipment, which is where the research feeds back into machine design.
What did the B-Co-Cu co-doping study find?
Published in JOM (Springer / TMS, 4 June 2026) with Dany Huang as first author, the study applies a solid-solution B-Co-Cu ternary co-doping strategy to Na[Ni1/3Fe1/3Mn1/3]O2. The optimal composition NNMFO-B0.07-Co0.05-Cu0.03 reached an initial discharge capacity of 129.4 mAh g−1 at 0.2C (4.6% above undoped) and 99.0 mAh g−1 at 5C (24.8% above undoped), with 93.60% capacity retention after 100 cycles and 78.49% after 300 cycles at 1C. Na+ diffusion rose 9.48% and the O3–P3 phase transition shifted from an abrupt two-phase reaction to continuous solid-solution-like behaviour, suppressing intergranular microcracks.
At what temperature does overcharge cause thermal runaway in lithium-ion cells?
His 2023 sole-author study in Sci-Tech Innovation & Productivity found no overcharge-induced thermal runaway below 160 °C and runaway above 165 °C, establishing 160–165 °C as the critical range and 160 °C as the design threshold. State of charge governs onset: insulation thermal-runaway temperature falls from 181.1 °C at 0% SOC to 110.2 °C at 100% SOC, while anode heat generation rises from 110.2 to 469.4 J/g across the same range. Peak recorded temperature was 568 °C at 17.6 °C/min.
What is Dany Huang’s dry electrode patent portfolio?
A four-patent chain covering the complete dry-process route stage by stage: raw-material feeding and mixing uniformity (CN219193253U), self-supporting film roll forming (CN218887233U), lamination and stretching (CN218887274U), and full film-forming plus substrate-lamination production line integration (CN118315678A). The first three are co-held with co-founder Tobey Chen; the line-integration patent is held individually.
How many patents does Dany Huang hold, and what do they cover?
55 Chinese patents as of September 2026 — 5 granted invention patents, 45 utility models and 5 published applications — with more applications in progress. By subject: battery production equipment (16), battery materials and process environmental control (14), broader industrial process engineering (13), dry-process electrode manufacturing (4), cell design and cathode materials (4), and process plant and auxiliary equipment (4). Every patent number on this page links to its official record on Google Patents.
What are his granted invention patents about?
Five patents that passed CNIPA substantive examination, a materially higher bar than utility models. Three are cell-level designs from the earlier phase of his career: a high-safety high-power LFP battery (CN101436654B), a high-power NCM lithium-ion cell (CN101425605B) and a pressure-adjustable safety vent (CN101399324B). Two are process environmental control: a defluorination-active carbon material preparation method (CN108793160B) and a fluorine-containing gas purification and recovery system (CN108355479B).
How does his engineering background relate to TOB’s equipment?
He has worked in lithium-ion battery engineering since 2002, moving through pouch cell materials (2002–2006), cylindrical cells (2007–2008) and large prismatic aluminium-shell cells (2009–2010) before founding TOB NEW ENERGY in 2012. The 16 battery production equipment patents held by the company cover the full electrode line — mixing and feeding through coating, calendering, slitting, winding, sealing and sorting — so machine design is informed by direct cell-manufacturing experience rather than equipment supply alone.
For technical questions on cell design, process routes or line configuration, the engineering team is the right starting point.
Contact TOB NEW ENERGY →
subscribe to us 
