{
  "id": "k_ion_rate",
  "title": "钾离子倍率与恢复",
  "domain": "alkali",
  "type": "demo",
  "data_status": "synthetic_demo",
  "not_experimental_data": true,
  "random_seed": 20260931,
  "source_files": [
    "data.csv"
  ],
  "variables_and_units": [
    "cycle",
    "current_mA_g",
    "capacity_mAh_g"
  ],
  "test_conditions": "Original working-electrode capacity model vs excess K metal; capacity per gram of unnamed active material, current in mA/g; not a full-cell energy or material record",
  "render_options": {
    "recipe": "k_ion_rate"
  },
  "reproduce": "python render_existing.py --output new-result",
  "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": [
      "Q_cycle=260*exp(-(cycle-1)/1800)/(1+(current_mA_g/500)^0.7)",
      "Current steps are 50,100,200,500,1000,50 mA/g, 10 cycles each"
    ],
    "assumptions": [
      "Rate-limited accessible capacity plus a small separate active-capacity loss.",
      "Capacity is per gram of working active material vs excess potassium counter metal."
    ],
    "parameters": {
      "accessible_Q0_mAh_g": 260,
      "current_scale_mA_g": 500,
      "exponent": 0.7,
      "fade_constant_cycles": 1800
    },
    "references": [
      {
        "url": "https://pubs.acs.org/doi/10.1021/acsenergylett.1c00870",
        "title": "Battery reporting checklist",
        "supports": "Current-rate, mass-basis and cell-configuration reporting boundaries; the accessibility law is an original phenomenological assumption.",
        "scope": "model_definition_only"
      }
    ],
    "limitations": [
      "All numeric material/rate parameters are original teaching assumptions, not measured or copied paper data.",
      "No named cathode/theoretical capacity, ion-diffusion fit or full-cell energy inference."
    ],
    "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": "None",
          "marker": "o",
          "points": 60,
          "sampling": "cycle_scatter"
        }
      ],
      "xlabel": "Cycle",
      "ylabel": "Capacity (mAh g$^{-1}$)"
    },
    {
      "panel": 1,
      "frame_spines": {
        "top": true,
        "right": true,
        "bottom": true,
        "left": true
      },
      "curve_styles": [
        {
          "linestyle": "-",
          "marker": "None",
          "points": 60,
          "sampling": "continuous_solid"
        }
      ],
      "xlabel": "Cycle",
      "ylabel": "Current (mA g$^{-1}$)"
    }
  ],
  "curve_style_check": "Cycle quantities marker-only; continuous profiles solid/unmarked; user preference.",
  "current_bundle_entry": "render_existing.py; supplied CSV only; draw() called, never data() or main()"
}