{
  "id": "zn_symmetric",
  "title": "Zn|Zn 对称电池极化",
  "domain": "zinc",
  "type": "demo",
  "data_status": "synthetic_demo",
  "not_experimental_data": true,
  "random_seed": 20260933,
  "source_files": [
    "data.csv"
  ],
  "variables_and_units": [
    "time_h",
    "cell_voltage_mV",
    "current_density_mA_cm2",
    "half_cycle"
  ],
  "test_conditions": "Original two-terminal Zn|Zn model; +/-1 mA/cm2, 1 h half-cycles, 1 mAh/cm2 transfer each half-cycle; cell voltage is not a single-electrode overpotential or lifetime claim",
  "render_options": {
    "recipe": "zn_symmetric"
  },
  "reproduce": "python render.py --output rebuilt --recipe zn_symmetric --demo-input data.csv",
  "creator": "VoltPeer maintainers",
  "license": "MIT",
  "generator_version": "1.6",
  "limitations": "Declared teaching model only; no measured device, mechanism or material certification. This generator does not adapt experimental data.",
  "scientific_basis": {
    "schema_version": 1,
    "model_class": "phenomenological_model",
    "data_origin": "original_synthetic",
    "equations": [
      "j=(-1)^floor(time_h)*1 mA/cm2",
      "V_cell_mV=sign(j)*(35+0.13*time_h+5*exp(-(time_h mod 1)/0.04))",
      "Transferred_areal_Q=|j|*1 h=1 mAh/cm2 for each complete half-cycle"
    ],
    "assumptions": [
      "Two-terminal symmetric-cell polarization combines both interfaces and electrolyte drop.",
      "An instantaneous ohmic voltage reversal is allowed at a commanded current switch."
    ],
    "parameters": {
      "half_cycle_h": 1,
      "current_density_mA_cm2": 1,
      "initial_two_terminal_plateau_mV": 35,
      "illustrative_drift_mV_h": 0.13,
      "transient_mV": 5,
      "transient_tau_h": 0.04
    },
    "references": [
      {
        "url": "https://www.nature.com/articles/s41467-022-28381-x",
        "title": "Experimental practices for rechargeable aqueous zinc batteries",
        "supports": "Electrode configuration, inventory and denominator reporting boundaries; no numeric data is copied.",
        "scope": "model_definition_only"
      }
    ],
    "limitations": [
      "All numeric material/rate parameters are original teaching assumptions, not measured or copied paper data.",
      "Cannot divide by two to assign electrode overpotentials without additional evidence.",
      "No short-circuit, dendrite, Zn utilization or full-cell lifetime claim."
    ],
    "validation_scope": "Original teaching-model equations, charge/energy/units and declared boundaries only; no experimental or material certification."
  },
  "actual_artist_checks": [
    {
      "panel": 0,
      "frame_spines": {
        "top": true,
        "right": true,
        "bottom": true,
        "left": true
      },
      "curve_styles": [
        {
          "linestyle": "-",
          "marker": "None",
          "points": 2400
        }
      ]
    }
  ]
}