Battery Lab Technician: Electrochemical Cell Fabrication

Coreshell Technologies, Inc.; San Leandro (CA); On-site; USD 41,328 - 48,216; Full time

Benefits offered by this job

Dental

Vision

Healthcare

401(k)

Equity options

Job summary

Coreshell Technologies, Inc. is seeking a Battery Lab Technician in San Leandro, CA, to support our cell development program. You will fabricate developmental electrodes, assemble coin/pouch/cylindrical cells in controlled environments, and execute electrochemical tests to generate data for advancing battery chemistries.

The role requires hands-on lab experience, attention to detail, and comfort with dry-room/glovebox work and safety protocols. Weekend or extended hours may be required.

Qualifications

• 1-3 years of hands-on experience in a battery, electrochemistry, or materials laboratory (internship experience considered).
• Proficiency in electrode coating, calendering, and cell assembly (coin cell, pouch cell, or cylindrical).
• Familiarity with battery cyclers (Arbin, Maccor, BioLogic, or similar) and basic test setup.
• Comfortable working in dry-room and glovebox environments with air-sensitive materials.
• Strong attention to detail, organizational skills, and commitment to data integrity.
• Ability to follow detailed written procedures and contribute to procedure development.
• Knowledge of laboratory safety practices including chemical handling, PPE requirements, and emergency procedures.

Responsibilities

• Fabricate developmental electrodes: prepare slurries, coat electrodes using drawdown and slot-die coaters, calender to target density, and cut, weigh, and inspect electrodes to meet dimensional and mass-loading specifications.
• Assemble coin cells, pouch cells, and small-format cylindrical cells in dry-room and glovebox environments, including safe preparation and handling of liquid electrolytes.
• Set up, run, and monitor electrochemical test programs on battery cyclers.
• Maintain laboratory equipment and environments and manage consumable inventory.
• Maintain accurate laboratory notebooks and records; follow all chemical hygiene, PPE, and safety protocols and keep lab spaces clean and organized.

Skills

Battery lab experience

Electrochemistry

Data integrity

Attention to detail

Education

Bachelor’s degree preferred in Chemistry or Materials Science

Associate’s degree with relevant lab experience

Tools

Arbin battery cyclers

Maccor battery cyclers

BioLogic battery cyclers

Job description

Coreshell Technologies, Inc. is seeking a Battery Lab Technician in San Leandro, CA, to support our cell development program. You will fabricate developmental electrodes, assemble coin/pouch/cylindrical cells in controlled environments, and execute electrochemical tests to generate data for advancing battery chemistries.

The role requires hands-on lab experience, attention to detail, and comfort with dry-room/glovebox work and safety protocols. Weekend or extended hours may be required.